12765472 has 12 divisors (see below), whose sum is σ = 25132086. Its totient is φ = 6382720.

The previous prime is 12765463. The next prime is 12765499. The reversal of 12765472 is 27456721.

It can be written as a sum of positive squares in only one way, i.e., 9511056 + 3254416 = 3084^2 + 1804^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199429 + ... + 199492.

Almost surely, 2^12765472 is an apocalyptic number.

It is an amenable number.

12765472 is a deficient number, since it is larger than the sum of its proper divisors (12366614).

12765472 is an equidigital number, since it uses as much as digits as its factorization.

12765472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398931 (or 398923 counting only the distinct ones).

The product of its digits is 23520, while the sum is 34.

The square root of 12765472 is about 3572.8800707552. The cubic root of 12765472 is about 233.7108953048.

The spelling of 12765472 in words is "twelve million, seven hundred sixty-five thousand, four hundred seventy-two".