12405764 has 12 divisors (see below), whose sum is σ = 24811584. Its totient is φ = 5316744.

The previous prime is 12405751. The next prime is 12405779. The reversal of 12405764 is 46750421.

12405764 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221504 + ... + 221559.

It is an arithmetic number, because the mean of its divisors is an integer number (2067632).

Almost surely, 2^12405764 is an apocalyptic number.

12405764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12405764 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12405764 is a wasteful number, since it uses less digits than its factorization.

12405764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443074 (or 443072 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 12405764 is about 3522.1817102472. The cubic root of 12405764 is about 231.4947635834.

The spelling of 12405764 in words is "twelve million, four hundred five thousand, seven hundred sixty-four".