13661612 has 6 divisors (see below), whose sum is σ = 23907828. Its totient is φ = 6830804.

The previous prime is 13661603. The next prime is 13661623. The reversal of 13661612 is 21616631.

13661612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1707698 + ... + 1707705.

It is an arithmetic number, because the mean of its divisors is an integer number (3984638).

Almost surely, 2^13661612 is an apocalyptic number.

It is an amenable number.

13661612 is a deficient number, since it is larger than the sum of its proper divisors (10246216).

13661612 is a wasteful number, since it uses less digits than its factorization.

13661612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415407 (or 3415405 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 13661612 is about 3696.1617929955. The cubic root of 13661612 is about 239.0565507540.

The spelling of 13661612 in words is "thirteen million, six hundred sixty-one thousand, six hundred twelve".