12615964 has 12 divisors (see below), whose sum is σ = 22674904. Its totient is φ = 6137424.

The previous prime is 12615949. The next prime is 12615991. The reversal of 12615964 is 46951621.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42474 + ... + 42769.

Almost surely, 2^12615964 is an apocalyptic number.

It is an amenable number.

12615964 is a deficient number, since it is larger than the sum of its proper divisors (10058940).

12615964 is a wasteful number, since it uses less digits than its factorization.

12615964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85284 (or 85282 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 12615964 is about 3551.8958318059. The cubic root of 12615964 is about 232.7949100024.

It can be divided in two parts, 1261 and 5964, that added together give a square (7225 = 85²).

The spelling of 12615964 in words is "twelve million, six hundred fifteen thousand, nine hundred sixty-four".