11937231 has 6 divisors (see below), whose sum is σ = 17242680. Its totient is φ = 7958148.

The previous prime is 11937229. The next prime is 11937239. The reversal of 11937231 is 13273911.

It is not a de Polignac number, because 11937231 - 2¹ = 11937229 is a prime.

It is a super-2 number, since 2×11937231² = 284994967894722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11937195 and 11937204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11937239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 663171 + ... + 663188.

It is an arithmetic number, because the mean of its divisors is an integer number (2873780).

Almost surely, 2^11937231 is an apocalyptic number.

11937231 is a deficient number, since it is larger than the sum of its proper divisors (5305449).

11937231 is a wasteful number, since it uses less digits than its factorization.

11937231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326365 (or 1326362 counting only the distinct ones).

The product of its digits is 1134, while the sum is 27.

The square root of 11937231 is about 3455.0298117382. The cubic root of 11937231 is about 228.5429695408.

The spelling of 11937231 in words is "eleven million, nine hundred thirty-seven thousand, two hundred thirty-one".