11893917 has 12 divisors (see below), whose sum is σ = 18447936. Its totient is φ = 6796440.

The previous prime is 11893913. The next prime is 11893927. The reversal of 11893917 is 71939811.

It is not a de Polignac number, because 11893917 - 2² = 11893913 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11893913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40309 + ... + 40602.

It is an arithmetic number, because the mean of its divisors is an integer number (1537328).

Almost surely, 2^11893917 is an apocalyptic number.

It is an amenable number.

11893917 is a deficient number, since it is larger than the sum of its proper divisors (6554019).

11893917 is an equidigital number, since it uses as much as digits as its factorization.

11893917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80928 (or 80921 counting only the distinct ones).

The product of its digits is 13608, while the sum is 39.

The square root of 11893917 is about 3448.7558626264. The cubic root of 11893917 is about 228.2662133628.

The spelling of 11893917 in words is "eleven million, eight hundred ninety-three thousand, nine hundred seventeen".