12093731 has 4 divisors (see below), whose sum is σ = 13024032. Its totient is φ = 11163432.

The previous prime is 12093727. The next prime is 12093733. The reversal of 12093731 is 13739021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12093731 - 2² = 12093727 is a prime.

It is a super-2 number, since 2×12093731² = 292516659000722, 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 12093731.

It is not an unprimeable number, because it can be changed into a prime (12093733) 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, 465131 + ... + 465156.

It is an arithmetic number, because the mean of its divisors is an integer number (3256008).

Almost surely, 2^12093731 is an apocalyptic number.

12093731 is a deficient number, since it is larger than the sum of its proper divisors (930301).

12093731 is an equidigital number, since it uses as much as digits as its factorization.

12093731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930300.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 12093731 is about 3477.6042040462. The cubic root of 12093731 is about 229.5373877254.

The spelling of 12093731 in words is "twelve million, ninety-three thousand, seven hundred thirty-one".