13993315 has 16 divisors (see below), whose sum is σ = 20026368. Its totient is φ = 9177696.

The previous prime is 13993313. The next prime is 13993327. The reversal of 13993315 is 51339931.

13993315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13993315 - 2¹ = 13993313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13993313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7887 + ... + 9496.

It is an arithmetic number, because the mean of its divisors is an integer number (1251648).

Almost surely, 2^13993315 is an apocalyptic number.

13993315 is a deficient number, since it is larger than the sum of its proper divisors (6033053).

13993315 is a wasteful number, since it uses less digits than its factorization.

13993315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17418.

The product of its digits is 10935, while the sum is 34.

The square root of 13993315 is about 3740.7639594072. The cubic root of 13993315 is about 240.9758588790.

The spelling of 13993315 in words is "thirteen million, nine hundred ninety-three thousand, three hundred fifteen".