13279197 has 8 divisors (see below), whose sum is σ = 17722656. Its totient is φ = 8844272.

The previous prime is 13279181. The next prime is 13279207. The reversal of 13279197 is 79197231.

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

It is a cyclic number.

It is not a de Polignac number, because 13279197 - 2⁴ = 13279181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13279117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4123 + ... + 6599.

It is an arithmetic number, because the mean of its divisors is an integer number (2215332).

Almost surely, 2^13279197 is an apocalyptic number.

It is an amenable number.

13279197 is a deficient number, since it is larger than the sum of its proper divisors (4443459).

13279197 is a wasteful number, since it uses less digits than its factorization.

13279197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4267.

The product of its digits is 23814, while the sum is 39.

The square root of 13279197 is about 3644.0632541162. The cubic root of 13279197 is about 236.8048563669.

The spelling of 13279197 in words is "thirteen million, two hundred seventy-nine thousand, one hundred ninety-seven".