13974039 has 10 divisors (see below), whose sum is σ = 20874920. Its totient is φ = 9315972.

The previous prime is 13974029. The next prime is 13974043. The reversal of 13974039 is 93047931.

It is not a de Polignac number, because 13974039 - 2⁹ = 13973527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13973994 and 13974012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13974019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 86179 + ... + 86340.

It is an arithmetic number, because the mean of its divisors is an integer number (2087492).

Almost surely, 2^13974039 is an apocalyptic number.

13974039 is a deficient number, since it is larger than the sum of its proper divisors (6900881).

13974039 is an equidigital number, since it uses as much as digits as its factorization.

13974039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172531 (or 172522 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 13974039 is about 3738.1865924536. The cubic root of 13974039 is about 240.8651587539.

The spelling of 13974039 in words is "thirteen million, nine hundred seventy-four thousand, thirty-nine".