11964031 has 4 divisors (see below), whose sum is σ = 11970952. Its totient is φ = 11957112.

The previous prime is 11964011. The next prime is 11964041. The reversal of 11964031 is 13046911.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 13046911 = 23 ⋅567257.

It is a cyclic number.

It is not a de Polignac number, because 11964031 - 2⁵ = 11963999 is a prime.

It is a super-2 number, since 2×11964031² = 286276075537922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11963987 and 11964005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11964011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1600 + ... + 5146.

It is an arithmetic number, because the mean of its divisors is an integer number (2992738).

Almost surely, 2^11964031 is an apocalyptic number.

11964031 is a deficient number, since it is larger than the sum of its proper divisors (6921).

11964031 is an equidigital number, since it uses as much as digits as its factorization.

11964031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6920.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 11964031 is about 3458.9060409326. The cubic root of 11964031 is about 228.7138738773.

The spelling of 11964031 in words is "eleven million, nine hundred sixty-four thousand, thirty-one".