13249868 has 24 divisors (see below), whose sum is σ = 25401600. Its totient is φ = 6019328.

The previous prime is 13249867. The next prime is 13249879. The reversal of 13249868 is 86894231.

It is not an unprimeable number, because it can be changed into a prime (13249867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1388 + ... + 5331.

It is an arithmetic number, because the mean of its divisors is an integer number (1058400).

Almost surely, 2^13249868 is an apocalyptic number.

It is an amenable number.

13249868 is a deficient number, since it is larger than the sum of its proper divisors (12151732).

13249868 is a wasteful number, since it uses less digits than its factorization.

13249868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6769 (or 6767 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 13249868 is about 3640.0368130007. The cubic root of 13249868 is about 236.6303887615.

The spelling of 13249868 in words is "thirteen million, two hundred forty-nine thousand, eight hundred sixty-eight".