13679997 has 8 divisors (see below), whose sum is σ = 18258240. Its totient is φ = 9110880.

The previous prime is 13679987. The next prime is 13680001. The reversal of 13679997 is 79997631.

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

It is not a de Polignac number, because 13679997 - 2⁶ = 13679933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13679927) 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, 2904 + ... + 5982.

It is an arithmetic number, because the mean of its divisors is an integer number (2282280).

Almost surely, 2^13679997 is an apocalyptic number.

It is an amenable number.

13679997 is a deficient number, since it is larger than the sum of its proper divisors (4578243).

13679997 is a wasteful number, since it uses less digits than its factorization.

13679997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4563.

The product of its digits is 642978, while the sum is 51.

The square root of 13679997 is about 3698.6479962278. The cubic root of 13679997 is about 239.1637388033.

The spelling of 13679997 in words is "thirteen million, six hundred seventy-nine thousand, nine hundred ninety-seven".