13444685 has 16 divisors (see below), whose sum is σ = 17169600. Its totient is φ = 10077696.

The previous prime is 13444663. The next prime is 13444721. The reversal of 13444685 is 58644431.

13444685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13444685 - 2⁶ = 13444621 is a prime.

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8486 + ... + 9944.

It is an arithmetic number, because the mean of its divisors is an integer number (1073100).

Almost surely, 2^13444685 is an apocalyptic number.

It is an amenable number.

13444685 is a deficient number, since it is larger than the sum of its proper divisors (3724915).

13444685 is a wasteful number, since it uses less digits than its factorization.

13444685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580.

The product of its digits is 46080, while the sum is 35.

The square root of 13444685 is about 3666.6994695502. The cubic root of 13444685 is about 237.7845011653.

The spelling of 13444685 in words is "thirteen million, four hundred forty-four thousand, six hundred eighty-five".