11868831 has 24 divisors (see below), whose sum is σ = 18776576. Its totient is φ = 7179840.

The previous prime is 11868827. The next prime is 11868869. The reversal of 11868831 is 13886811.

It is not a de Polignac number, because 11868831 - 2² = 11868827 is a prime.

It is a super-2 number, since 2×11868831² = 281738298613122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11868811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6306 + ... + 7968.

Almost surely, 2^11868831 is an apocalyptic number.

11868831 is a deficient number, since it is larger than the sum of its proper divisors (6907745).

11868831 is a wasteful number, since it uses less digits than its factorization.

11868831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743 (or 1740 counting only the distinct ones).

The product of its digits is 9216, while the sum is 36.

The square root of 11868831 is about 3445.1169791460. The cubic root of 11868831 is about 228.1056181945.

The spelling of 11868831 in words is "eleven million, eight hundred sixty-eight thousand, eight hundred thirty-one".