13966039 has 2 divisors, whose sum is σ = 13966040. Its totient is φ = 13966038.

The previous prime is 13966033. The next prime is 13966091. The reversal of 13966039 is 93066931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13966039 - 2¹¹ = 13963991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13965989 and 13966007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13966033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6983019 + 6983020.

It is an arithmetic number, because the mean of its divisors is an integer number (6983020).

Almost surely, 2^13966039 is an apocalyptic number.

13966039 is a deficient number, since it is larger than the sum of its proper divisors (1).

13966039 is an equidigital number, since it uses as much as digits as its factorization.

13966039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 13966039 is about 3737.1164017194. The cubic root of 13966039 is about 240.8191856676.

The spelling of 13966039 in words is "thirteen million, nine hundred sixty-six thousand, thirty-nine".