13197236 has 24 divisors (see below), whose sum is σ = 26336520. Its totient is φ = 5732352.

The previous prime is 13197209. The next prime is 13197241. The reversal of 13197236 is 63279131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3587236 + 9610000 = 1894^2 + 3100^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6581 + ... + 8348.

It is an arithmetic number, because the mean of its divisors is an integer number (1097355).

Almost surely, 2^13197236 is an apocalyptic number.

It is an amenable number.

13197236 is a deficient number, since it is larger than the sum of its proper divisors (13139284).

13197236 is a wasteful number, since it uses less digits than its factorization.

13197236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14963 (or 14961 counting only the distinct ones).

The product of its digits is 6804, while the sum is 32.

The square root of 13197236 is about 3632.8000220216. The cubic root of 13197236 is about 236.3166533656.

The spelling of 13197236 in words is "thirteen million, one hundred ninety-seven thousand, two hundred thirty-six".