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12480112 = 241961673
BaseRepresentation
bin101111100110…
…111001110000
3212111001111101
4233212321300
511143330422
61123254144
7211036111
oct57467160
925431441
1012480112
117054547
12421a354
13277c6a8
14192c208
151167c27
hexbe6e70

12480112 has 40 divisors (see below), whose sum is σ = 25908560. Its totient is φ = 5806080.

The previous prime is 12480107. The next prime is 12480133. The reversal of 12480112 is 21108421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 12480112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18208 + ... + 18880.

It is an arithmetic number, because the mean of its divisors is an integer number (647714).

Almost surely, 212480112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12480112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12954280).

12480112 is an abundant number, since it is smaller than the sum of its proper divisors (13428448).

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

12480112 is a wasteful number, since it uses less digits than its factorization.

12480112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 12480112 is about 3532.7201983741. The cubic root of 12480112 is about 231.9562937882.

Adding to 12480112 its reverse (21108421), we get a palindrome (33588533).

The spelling of 12480112 in words is "twelve million, four hundred eighty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 19 38 61 76 122 152 244 304 488 673 976 1159 1346 2318 2692 4636 5384 9272 10768 12787 18544 25574 41053 51148 82106 102296 164212 204592 328424 656848 780007 1560014 3120028 6240056 12480112