12961612 has 12 divisors (see below), whose sum is σ = 22956696. Its totient is φ = 6402560.

The previous prime is 12961607. The next prime is 12961621. The reversal of 12961612 is 21616921.

12961612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

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, 19189 + ... + 19852.

It is an arithmetic number, because the mean of its divisors is an integer number (1913058).

Almost surely, 2^12961612 is an apocalyptic number.

It is an amenable number.

12961612 is a deficient number, since it is larger than the sum of its proper divisors (9995084).

12961612 is a wasteful number, since it uses less digits than its factorization.

12961612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39128 (or 39126 counting only the distinct ones).

The product of its digits is 1296, while the sum is 28.

The square root of 12961612 is about 3600.2238819273. The cubic root of 12961612 is about 234.9017969038.

The spelling of 12961612 in words is "twelve million, nine hundred sixty-one thousand, six hundred twelve".