13888995 has 16 divisors (see below), whose sum is σ = 22325760. Its totient is φ = 7373024.

The previous prime is 13888969. The next prime is 13888997. The reversal of 13888995 is 59988831.

It is a cyclic number.

It is not a de Polignac number, because 13888995 - 2¹⁹ = 13364707 is a prime.

It is a super-2 number, since 2×13888995² = 385808364220050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13888997) 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, 1366 + ... + 5444.

It is an arithmetic number, because the mean of its divisors is an integer number (1395360).

Almost surely, 2^13888995 is an apocalyptic number.

13888995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13888995 is a deficient number, since it is larger than the sum of its proper divisors (8436765).

13888995 is a wasteful number, since it uses less digits than its factorization.

13888995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4314.

The product of its digits is 622080, while the sum is 51.

The square root of 13888995 is about 3726.7941987719. The cubic root of 13888995 is about 240.3755405378.

The spelling of 13888995 in words is "thirteen million, eight hundred eighty-eight thousand, nine hundred ninety-five".