12578764 has 24 divisors (see below), whose sum is σ = 24127488. Its totient is φ = 5690640.

The previous prime is 12578743. The next prime is 12578767. The reversal of 12578764 is 46787521.

It is not an unprimeable number, because it can be changed into a prime (12578767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11029 + ... + 12115.

It is an arithmetic number, because the mean of its divisors is an integer number (1005312).

It is a vampire number, since it can be written as 2174 ⋅ 5786 (with its own digits).

Almost surely, 2^12578764 is an apocalyptic number.

It is an amenable number.

12578764 is a deficient number, since it is larger than the sum of its proper divisors (11548724).

12578764 is a wasteful number, since it uses less digits than its factorization.

12578764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365 (or 1363 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 12578764 is about 3546.6553257964. The cubic root of 12578764 is about 232.5658748860.

The spelling of 12578764 in words is "twelve million, five hundred seventy-eight thousand, seven hundred sixty-four".