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12512416 = 25783673
BaseRepresentation
bin101111101110…
…110010100000
3212112200210211
4233232302200
511200344131
61124103504
7211232230
oct57566240
925480724
1012512416
117076844
124234b94
1327912c7
141939cc0
1511725b1
hexbeeca0

12512416 has 48 divisors (see below), whose sum is σ = 28534464. Its totient is φ = 5289984.

The previous prime is 12512413. The next prime is 12512417. The reversal of 12512416 is 61421521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12512413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18256 + ... + 18928.

It is an arithmetic number, because the mean of its divisors is an integer number (594468).

Almost surely, 212512416 is an apocalyptic number.

12512416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12512416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14267232).

12512416 is an abundant number, since it is smaller than the sum of its proper divisors (16022048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12512416 is an equidigital number, since it uses as much as digits as its factorization.

12512416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773 (or 765 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 12512416 is about 3537.2893576862. The cubic root of 12512416 is about 232.1562562094.

Adding to 12512416 its reverse (61421521), we get a palindrome (73933937).

The spelling of 12512416 in words is "twelve million, five hundred twelve thousand, four hundred sixteen".

Divisors: 1 2 4 7 8 14 16 28 32 56 83 112 166 224 332 581 664 673 1162 1328 1346 2324 2656 2692 4648 4711 5384 9296 9422 10768 18592 18844 21536 37688 55859 75376 111718 150752 223436 391013 446872 782026 893744 1564052 1787488 3128104 6256208 12512416