13739013 has 6 divisors (see below), whose sum is σ = 19845254. Its totient is φ = 9159336.

The previous prime is 13738961. The next prime is 13739021. The reversal of 13739013 is 31093731.

It can be written as a sum of positive squares in only one way, i.e., 11716929 + 2022084 = 3423^2 + 1422^2 .

It is not a de Polignac number, because 13739013 - 2¹⁴ = 13722629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13739023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 763270 + ... + 763287.

Almost surely, 2^13739013 is an apocalyptic number.

It is an amenable number.

13739013 is a deficient number, since it is larger than the sum of its proper divisors (6106241).

13739013 is a wasteful number, since it uses less digits than its factorization.

13739013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526563 (or 1526560 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 27.

The square root of 13739013 is about 3706.6174607046. The cubic root of 13739013 is about 239.5071657527.

The spelling of 13739013 in words is "thirteen million, seven hundred thirty-nine thousand, thirteen".