13938079 has 8 divisors (see below), whose sum is σ = 14808528. Its totient is φ = 13073280.

The previous prime is 13938061. The next prime is 13938083. The reversal of 13938079 is 97083931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13938079 - 2¹¹ = 13936031 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 (13938019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4389 + ... + 6865.

It is an arithmetic number, because the mean of its divisors is an integer number (1851066).

Almost surely, 2^13938079 is an apocalyptic number.

13938079 is a deficient number, since it is larger than the sum of its proper divisors (870449).

13938079 is a wasteful number, since it uses less digits than its factorization.

13938079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 13938079 is about 3733.3736753773. The cubic root of 13938079 is about 240.6583716913.

The spelling of 13938079 in words is "thirteen million, nine hundred thirty-eight thousand, seventy-nine".