13072997 has 8 divisors (see below), whose sum is σ = 15456000. Its totient is φ = 10818864.

The previous prime is 13072991. The next prime is 13073009. The reversal of 13072997 is 79927031.

13072997 is digitally balanced in base 3, 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 13072997 - 2⁶ = 13072933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13072997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13072991) 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, 31997 + ... + 32402.

It is an arithmetic number, because the mean of its divisors is an integer number (1932000).

Almost surely, 2^13072997 is an apocalyptic number.

It is an amenable number.

13072997 is a deficient number, since it is larger than the sum of its proper divisors (2383003).

13072997 is an equidigital number, since it uses as much as digits as its factorization.

13072997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64435.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 13072997 is about 3615.6599674195. The cubic root of 13072997 is about 235.5727511164.

The spelling of 13072997 in words is "thirteen million, seventy-two thousand, nine hundred ninety-seven".