13147995 has 16 divisors (see below), whose sum is σ = 24042240. Its totient is φ = 6010464.

The previous prime is 13147949. The next prime is 13147997. The reversal of 13147995 is 59974131.

It is a happy number.

It is not a de Polignac number, because 13147995 - 2¹⁵ = 13115227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13147997) 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, 62505 + ... + 62714.

It is an arithmetic number, because the mean of its divisors is an integer number (1502640).

Almost surely, 2^13147995 is an apocalyptic number.

13147995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13147995 is a deficient number, since it is larger than the sum of its proper divisors (10894245).

13147995 is a wasteful number, since it uses less digits than its factorization.

13147995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125234.

The product of its digits is 34020, while the sum is 39.

The square root of 13147995 is about 3626.0164092293. The cubic root of 13147995 is about 236.0223753084.

The spelling of 13147995 in words is "thirteen million, one hundred forty-seven thousand, nine hundred ninety-five".