13197746 has 8 divisors (see below), whose sum is σ = 20961180. Its totient is φ = 6210688.

The previous prime is 13197739. The next prime is 13197749. The reversal of 13197746 is 64779131.

It can be written as a sum of positive squares in 2 ways, for example, as 13140625 + 57121 = 3625^2 + 239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13197749) 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 3 ways as a sum of consecutive naturals, for example, 194051 + ... + 194118.

Almost surely, 2^13197746 is an apocalyptic number.

13197746 is a deficient number, since it is larger than the sum of its proper divisors (7763434).

13197746 is a wasteful number, since it uses less digits than its factorization.

13197746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388188.

The product of its digits is 31752, while the sum is 38.

The square root of 13197746 is about 3632.8702151329. The cubic root of 13197746 is about 236.3196974358.

The spelling of 13197746 in words is "thirteen million, one hundred ninety-seven thousand, seven hundred forty-six".