13000997 has 8 divisors (see below), whose sum is σ = 14127360. Its totient is φ = 11918880.

The previous prime is 13000993. The next prime is 13001029. The reversal of 13000997 is 79900031.

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

It is not a de Polignac number, because 13000997 - 2² = 13000993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13000993) 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, 10448 + ... + 11625.

It is an arithmetic number, because the mean of its divisors is an integer number (1765920).

Almost surely, 2^13000997 is an apocalyptic number.

It is an amenable number.

13000997 is a deficient number, since it is larger than the sum of its proper divisors (1126363).

13000997 is a wasteful number, since it uses less digits than its factorization.

13000997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22123.

The product of its (nonzero) digits is 1701, while the sum is 29.

The square root of 13000997 is about 3605.6895318371. The cubic root of 13000997 is about 235.1394795945.

The spelling of 13000997 in words is "thirteen million, nine hundred ninety-seven", and thus it is an aban number.