12864408 has 16 divisors (see below), whose sum is σ = 32161080. Its totient is φ = 4288128.

The previous prime is 12864407. The next prime is 12864409. The reversal of 12864408 is 80446821.

It is an interprime number because it is at equal distance from previous prime (12864407) and next prime (12864409).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12864403) 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, 267985 + ... + 268032.

Almost surely, 2^12864408 is an apocalyptic number.

It is an amenable number.

12864408 is an abundant number, since it is smaller than the sum of its proper divisors (19296672).

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

12864408 is a wasteful number, since it uses less digits than its factorization.

12864408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536026 (or 536022 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 12864408 is about 3586.6987606990. The cubic root of 12864408 is about 234.3131172446.

The spelling of 12864408 in words is "twelve million, eight hundred sixty-four thousand, four hundred eight".