13973039 has 2 divisors, whose sum is σ = 13973040. Its totient is φ = 13973038.

The previous prime is 13973027. The next prime is 13973059. The reversal of 13973039 is 93037931.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13973039 - 2¹⁶ = 13907503 is a prime.

It is equal to p₉₀₈₄₆₈ and since 13973039 and 908468 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13973059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6986519 + 6986520.

It is an arithmetic number, because the mean of its divisors is an integer number (6986520).

Almost surely, 2^13973039 is an apocalyptic number.

13973039 is a deficient number, since it is larger than the sum of its proper divisors (1).

13973039 is an equidigital number, since it uses as much as digits as its factorization.

13973039 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 13973039 is about 3738.0528353676. The cubic root of 13973039 is about 240.8594130778.

The spelling of 13973039 in words is "thirteen million, nine hundred seventy-three thousand, thirty-nine".