13739913 has 48 divisors (see below), whose sum is σ = 23142912. Its totient is φ = 7840800.

The previous prime is 13739897. The next prime is 13739923. The reversal of 13739913 is 31993731.

13739913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13739913 - 2⁴ = 13739897 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13739923) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 371331 + ... + 371367.

It is an arithmetic number, because the mean of its divisors is an integer number (482144).

Almost surely, 2^13739913 is an apocalyptic number.

It is an amenable number.

13739913 is a deficient number, since it is larger than the sum of its proper divisors (9402999).

13739913 is a wasteful number, since it uses less digits than its factorization.

13739913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 82 counting only the distinct ones).

The product of its digits is 15309, while the sum is 36.

The square root of 13739913 is about 3706.7388632058. The cubic root of 13739913 is about 239.5123954283.

The spelling of 13739913 in words is "thirteen million, seven hundred thirty-nine thousand, nine hundred thirteen".