13306997 has 8 divisors (see below), whose sum is σ = 14701440. Its totient is φ = 11943360.

The previous prime is 13306991. The next prime is 13306999. The reversal of 13306997 is 79960331.

13306997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13306997 - 2⁴ = 13306981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13306997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13306991) 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, 6788 + ... + 8525.

It is an arithmetic number, because the mean of its divisors is an integer number (1837680).

Almost surely, 2^13306997 is an apocalyptic number.

It is an amenable number.

13306997 is a deficient number, since it is larger than the sum of its proper divisors (1394443).

13306997 is a wasteful number, since it uses less digits than its factorization.

13306997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15403.

The product of its (nonzero) digits is 30618, while the sum is 38.

The square root of 13306997 is about 3647.8756831888. The cubic root of 13306997 is about 236.9699915123.

The spelling of 13306997 in words is "thirteen million, three hundred six thousand, nine hundred ninety-seven".