12089931 has 8 divisors (see below), whose sum is σ = 18422784. Its totient is φ = 6908520.

The previous prime is 12089929. The next prime is 12089933. The reversal of 12089931 is 13998021.

It is an interprime number because it is at equal distance from previous prime (12089929) and next prime (12089933).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12089931 - 2¹ = 12089929 is a prime.

It is a super-2 number, since 2×12089931² = 292332863169522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12089892 and 12089901.

It is not an unprimeable number, because it can be changed into a prime (12089933) 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 7 ways as a sum of consecutive naturals, for example, 287835 + ... + 287876.

It is an arithmetic number, because the mean of its divisors is an integer number (2302848).

Almost surely, 2^12089931 is an apocalyptic number.

12089931 is a deficient number, since it is larger than the sum of its proper divisors (6332853).

12089931 is an equidigital number, since it uses as much as digits as its factorization.

12089931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575721.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 12089931 is about 3477.0578079750. The cubic root of 12089931 is about 229.5133440440.

The spelling of 12089931 in words is "twelve million, eighty-nine thousand, nine hundred thirty-one".