13390797 has 8 divisors (see below), whose sum is σ = 20405056. Its totient is φ = 7651872.

The previous prime is 13390787. The next prime is 13390799. The reversal of 13390797 is 79709331.

13390797 = 854² + 855² + ... + 871².

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

It is not a de Polignac number, because 13390797 - 2⁶ = 13390733 is a prime.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13390799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318808 + ... + 318849.

It is an arithmetic number, because the mean of its divisors is an integer number (2550632).

Almost surely, 2^13390797 is an apocalyptic number.

It is an amenable number.

13390797 is a deficient number, since it is larger than the sum of its proper divisors (7014259).

13390797 is an equidigital number, since it uses as much as digits as its factorization.

13390797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637667.

The product of its (nonzero) digits is 35721, while the sum is 39.

The square root of 13390797 is about 3659.3437936330. The cubic root of 13390797 is about 237.4663856397.

The spelling of 13390797 in words is "thirteen million, three hundred ninety thousand, seven hundred ninety-seven".