12507764 has 12 divisors (see below), whose sum is σ = 22260000. Its totient is φ = 6147768.

The previous prime is 12507763. The next prime is 12507769. The reversal of 12507764 is 46770521.

It is a self number, because there is not a number n which added to its sum of digits gives 12507764.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12507763) 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, 26264 + ... + 26735.

It is an arithmetic number, because the mean of its divisors is an integer number (1855000).

Almost surely, 2^12507764 is an apocalyptic number.

It is an amenable number.

12507764 is a deficient number, since it is larger than the sum of its proper divisors (9752236).

12507764 is a wasteful number, since it uses less digits than its factorization.

12507764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53062 (or 53060 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 12507764 is about 3536.6317308988. The cubic root of 12507764 is about 232.1274814635.

The spelling of 12507764 in words is "twelve million, five hundred seven thousand, seven hundred sixty-four".