12864452 has 12 divisors (see below), whose sum is σ = 23491776. Its totient is φ = 6152520.

The previous prime is 12864443. The next prime is 12864457. The reversal of 12864452 is 25446821.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12864457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69824 + ... + 70007.

It is an arithmetic number, because the mean of its divisors is an integer number (1957648).

Almost surely, 2^12864452 is an apocalyptic number.

It is an amenable number.

12864452 is a deficient number, since it is larger than the sum of its proper divisors (10627324).

12864452 is a wasteful number, since it uses less digits than its factorization.

12864452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139858 (or 139856 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 12864452 is about 3586.7048944679. The cubic root of 12864452 is about 234.3133843838.

The spelling of 12864452 in words is "twelve million, eight hundred sixty-four thousand, four hundred fifty-two".