12955916 has 6 divisors (see below), whose sum is σ = 22672860. Its totient is φ = 6477956.

The previous prime is 12955913. The next prime is 12955931. The reversal of 12955916 is 61955921.

It is a self number, because there is not a number n which added to its sum of digits gives 12955916.

It is not an unprimeable number, because it can be changed into a prime (12955913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1619486 + ... + 1619493.

It is an arithmetic number, because the mean of its divisors is an integer number (3778810).

Almost surely, 2^12955916 is an apocalyptic number.

It is an amenable number.

12955916 is a deficient number, since it is larger than the sum of its proper divisors (9716944).

12955916 is a wasteful number, since it uses less digits than its factorization.

12955916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238983 (or 3238981 counting only the distinct ones).

The product of its digits is 24300, while the sum is 38.

The square root of 12955916 is about 3599.4327330845. The cubic root of 12955916 is about 234.8673825455.

The spelling of 12955916 in words is "twelve million, nine hundred fifty-five thousand, nine hundred sixteen".