13990995 has 32 divisors (see below), whose sum is σ = 25554240. Its totient is φ = 7257600.

The previous prime is 13990987. The next prime is 13991009. The reversal of 13990995 is 59909931.

It is not a de Polignac number, because 13990995 - 2³ = 13990987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 13990995.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3595 + ... + 6395.

It is an arithmetic number, because the mean of its divisors is an integer number (798570).

Almost surely, 2^13990995 is an apocalyptic number.

13990995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13990995 is a deficient number, since it is larger than the sum of its proper divisors (11563245).

13990995 is a wasteful number, since it uses less digits than its factorization.

13990995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852 (or 2846 counting only the distinct ones).

The product of its (nonzero) digits is 98415, while the sum is 45.

The square root of 13990995 is about 3740.4538494680. The cubic root of 13990995 is about 240.9625407365.

The spelling of 13990995 in words is "thirteen million, nine hundred ninety thousand, nine hundred ninety-five".