12787464 has 16 divisors (see below), whose sum is σ = 31968720. Its totient is φ = 4262480.

The previous prime is 12787447. The next prime is 12787499. The reversal of 12787464 is 46478721.

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, 266382 + ... + 266429.

It is an arithmetic number, because the mean of its divisors is an integer number (1998045).

Almost surely, 2^12787464 is an apocalyptic number.

It is an amenable number.

12787464 is an abundant number, since it is smaller than the sum of its proper divisors (19181256).

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

12787464 is a wasteful number, since it uses less digits than its factorization.

12787464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532820 (or 532816 counting only the distinct ones).

The product of its digits is 75264, while the sum is 39.

The square root of 12787464 is about 3575.9563755728. The cubic root of 12787464 is about 233.8450285167.

The spelling of 12787464 in words is "twelve million, seven hundred eighty-seven thousand, four hundred sixty-four".