11939291 has 12 divisors (see below), whose sum is σ = 14957712. Its totient is φ = 9445968.

The previous prime is 11939273. The next prime is 11939297. The reversal of 11939291 is 19293911.

It is not a de Polignac number, because 11939291 - 2⁶ = 11939227 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11939297) 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, 8735 + ... + 10008.

It is an arithmetic number, because the mean of its divisors is an integer number (1246476).

Almost surely, 2^11939291 is an apocalyptic number.

11939291 is a deficient number, since it is larger than the sum of its proper divisors (3018421).

11939291 is a wasteful number, since it uses less digits than its factorization.

11939291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18770 (or 18763 counting only the distinct ones).

The product of its digits is 4374, while the sum is 35.

The square root of 11939291 is about 3455.3279149742. The cubic root of 11939291 is about 228.5561152873.

The spelling of 11939291 in words is "eleven million, nine hundred thirty-nine thousand, two hundred ninety-one".