11660931 has 12 divisors (see below), whose sum is σ = 17576208. Its totient is φ = 7435824.

The previous prime is 11660921. The next prime is 11660941. The reversal of 11660931 is 13906611.

11660931 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11660921) and next prime (11660941).

It is not a de Polignac number, because 11660931 - 2⁵ = 11660899 is a prime.

It is a super-2 number, since 2×11660931² = 271954623573522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11660895 and 11660904.

It is not an unprimeable number, because it can be changed into a prime (11660911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27960 + ... + 28373.

It is an arithmetic number, because the mean of its divisors is an integer number (1464684).

Almost surely, 2^11660931 is an apocalyptic number.

11660931 is a deficient number, since it is larger than the sum of its proper divisors (5915277).

11660931 is a wasteful number, since it uses less digits than its factorization.

11660931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56362 (or 56359 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 11660931 is about 3414.8105364720. The cubic root of 11660931 is about 226.7658968160.

The spelling of 11660931 in words is "eleven million, six hundred sixty thousand, nine hundred thirty-one".