13249995 has 32 divisors (see below), whose sum is σ = 23341824. Its totient is φ = 6364800.

The previous prime is 13249967. The next prime is 13249997. The reversal of 13249995 is 59994231.

It is not a de Polignac number, because 13249995 - 2⁷ = 13249867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13249997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21309 + ... + 21921.

It is an arithmetic number, because the mean of its divisors is an integer number (729432).

Almost surely, 2^13249995 is an apocalyptic number.

13249995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13249995 is a deficient number, since it is larger than the sum of its proper divisors (10091829).

13249995 is a wasteful number, since it uses less digits than its factorization.

13249995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763.

The product of its digits is 87480, while the sum is 42.

The square root of 13249995 is about 3640.0542578374. The cubic root of 13249995 is about 236.6311447932.

The spelling of 13249995 in words is "thirteen million, two hundred forty-nine thousand, nine hundred ninety-five".