13399995 has 32 divisors (see below), whose sum is σ = 25947648. Its totient is φ = 5764608.

The previous prime is 13399993. The next prime is 13399999. The reversal of 13399995 is 59999331.

It is a happy number.

It is not a de Polignac number, because 13399995 - 2¹ = 13399993 is a prime.

It is a zygodrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13399993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1969 + ... + 5538.

It is an arithmetic number, because the mean of its divisors is an integer number (810864).

Almost surely, 2^13399995 is an apocalyptic number.

13399995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13399995 is a deficient number, since it is larger than the sum of its proper divisors (12547653).

13399995 is a wasteful number, since it uses less digits than its factorization.

13399995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7539.

The product of its digits is 295245, while the sum is 48.

The square root of 13399995 is about 3660.6003605966. The cubic root of 13399995 is about 237.5207442638.

It can be divided in two parts, 133 and 99995, that added together give a triangular number (100128 = T₄₄₇).

The spelling of 13399995 in words is "thirteen million, three hundred ninety-nine thousand, nine hundred ninety-five".