13465997 has 4 divisors (see below), whose sum is σ = 13900416. Its totient is φ = 13031580.

The previous prime is 13465993. The next prime is 13466051. The reversal of 13465997 is 79956431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13465997 - 2² = 13465993 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 (13465993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217163 + ... + 217224.

It is an arithmetic number, because the mean of its divisors is an integer number (3475104).

Almost surely, 2^13465997 is an apocalyptic number.

It is an amenable number.

13465997 is a deficient number, since it is larger than the sum of its proper divisors (434419).

13465997 is an equidigital number, since it uses as much as digits as its factorization.

13465997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434418.

The product of its digits is 204120, while the sum is 44.

The square root of 13465997 is about 3669.6044745994. The cubic root of 13465997 is about 237.9100771322.

The spelling of 13465997 in words is "thirteen million, four hundred sixty-five thousand, nine hundred ninety-seven".