12057931 has 8 divisors (see below), whose sum is σ = 12543344. Its totient is φ = 11581920.

The previous prime is 12057919. The next prime is 12057949. The reversal of 12057931 is 13975021.

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

It is a cyclic number.

It is not a de Polignac number, because 12057931 - 2¹⁵ = 12025163 is a prime.

It is a super-2 number, since 2×12057931² = 290787400001522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12057931.

It is not an unprimeable number, because it can be changed into a prime (12057431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325 + ... + 4921.

It is an arithmetic number, because the mean of its divisors is an integer number (1567918).

Almost surely, 2^12057931 is an apocalyptic number.

12057931 is a deficient number, since it is larger than the sum of its proper divisors (485413).

12057931 is an equidigital number, since it uses as much as digits as its factorization.

12057931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4701.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 12057931 is about 3472.4531674308. The cubic root of 12057931 is about 229.3106708064.

The spelling of 12057931 in words is "twelve million, fifty-seven thousand, nine hundred thirty-one".