13197650 has 12 divisors (see below), whose sum is σ = 24547722. Its totient is φ = 5279040.

The previous prime is 13197649. The next prime is 13197659. The reversal of 13197650 is 5679131.

It can be written as a sum of positive squares in 3 ways, for example, as 12694969 + 502681 = 3563^2 + 709^2 .

It is not an unprimeable number, because it can be changed into a prime (13197659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131927 + ... + 132026.

Almost surely, 2^13197650 is an apocalyptic number.

13197650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13197650 is a deficient number, since it is larger than the sum of its proper divisors (11350072).

13197650 is a wasteful number, since it uses less digits than its factorization.

13197650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263965 (or 263960 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 13197650 is about 3632.8570024156. The cubic root of 13197650 is about 236.3191244404.

The spelling of 13197650 in words is "thirteen million, one hundred ninety-seven thousand, six hundred fifty".