11497913 has 4 divisors (see below), whose sum is σ = 13140480. Its totient is φ = 9855348.

The previous prime is 11497909. The next prime is 11497919. The reversal of 11497913 is 31979411.

It is a happy number.

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 11497913 - 2² = 11497909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11497919) 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, 821273 + ... + 821286.

It is an arithmetic number, because the mean of its divisors is an integer number (3285120).

Almost surely, 2^11497913 is an apocalyptic number.

It is an amenable number.

11497913 is a deficient number, since it is larger than the sum of its proper divisors (1642567).

11497913 is an equidigital number, since it uses as much as digits as its factorization.

11497913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642566.

The product of its digits is 6804, while the sum is 35.

The square root of 11497913 is about 3390.8572662381. The cubic root of 11497913 is about 225.7042166520.

The spelling of 11497913 in words is "eleven million, four hundred ninety-seven thousand, nine hundred thirteen".