13739039 has 2 divisors, whose sum is σ = 13739040. Its totient is φ = 13739038.

The previous prime is 13739029. The next prime is 13739041. The reversal of 13739039 is 93093731.

It is a happy number.

13739039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13739039 - 2⁴ = 13739023 is a prime.

It is a super-2 number, since 2×13739039² = 377522385287042, which contains 22 as substring.

Together with 13739041, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13739029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6869519 + 6869520.

It is an arithmetic number, because the mean of its divisors is an integer number (6869520).

Almost surely, 2^13739039 is an apocalyptic number.

13739039 is a deficient number, since it is larger than the sum of its proper divisors (1).

13739039 is an equidigital number, since it uses as much as digits as its factorization.

13739039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15309, while the sum is 35.

The square root of 13739039 is about 3706.6209679437. The cubic root of 13739039 is about 239.5073168355.

The spelling of 13739039 in words is "thirteen million, seven hundred thirty-nine thousand, thirty-nine".