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12715232 = 25397351
BaseRepresentation
bin110000100000…
…010011100000
3212221000000112
4300200103200
511223341412
61132310452
7213035435
oct60402340
925830015
1012715232
1171a5162
124312428
13283270a
14198db8c
1511b2722
hexc204e0

12715232 has 12 divisors (see below), whose sum is σ = 25033176. Its totient is φ = 6357600.

The previous prime is 12715211. The next prime is 12715249. The reversal of 12715232 is 23251721.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12715198 and 12715207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198644 + ... + 198707.

It is an arithmetic number, because the mean of its divisors is an integer number (2086098).

Almost surely, 212715232 is an apocalyptic number.

It is an amenable number.

12715232 is a deficient number, since it is larger than the sum of its proper divisors (12317944).

12715232 is an equidigital number, since it uses as much as digits as its factorization.

12715232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397361 (or 397353 counting only the distinct ones).

The product of its digits is 840, while the sum is 23.

The square root of 12715232 is about 3565.8423969660. The cubic root of 12715232 is about 233.4038933997.

Adding to 12715232 its reverse (23251721), we get a palindrome (35966953).

The spelling of 12715232 in words is "twelve million, seven hundred fifteen thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 32 397351 794702 1589404 3178808 6357616 12715232