13197672 has 24 divisors (see below), whose sum is σ = 35743890. Its totient is φ = 4399200.

The previous prime is 13197659. The next prime is 13197683. The reversal of 13197672 is 27679131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10929636 + 2268036 = 3306^2 + 1506^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 91579 + ... + 91722.

Almost surely, 2^13197672 is an apocalyptic number.

13197672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13197672 is an abundant number, since it is smaller than the sum of its proper divisors (22546218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13197672 is a wasteful number, since it uses less digits than its factorization.

13197672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183313 (or 183306 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 13197672 is about 3632.8600303342. The cubic root of 13197672 is about 236.3192557521.

The spelling of 13197672 in words is "thirteen million, one hundred ninety-seven thousand, six hundred seventy-two".