13197249 has 40 divisors (see below), whose sum is σ = 21628992. Its totient is φ = 7970400.

The previous prime is 13197241. The next prime is 13197251. The reversal of 13197249 is 94279131.

It is not a de Polignac number, because 13197249 - 2³ = 13197241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13197241) 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 39 ways as a sum of consecutive naturals, for example, 87324 + ... + 87474.

Almost surely, 2^13197249 is an apocalyptic number.

It is an amenable number.

13197249 is a deficient number, since it is larger than the sum of its proper divisors (8431743).

13197249 is a wasteful number, since it uses less digits than its factorization.

13197249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 250 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 13197249 is about 3632.8018112746. The cubic root of 13197249 is about 236.3167309605.

The spelling of 13197249 in words is "thirteen million, one hundred ninety-seven thousand, two hundred forty-nine".