12007131 has 16 divisors (see below), whose sum is σ = 16780800. Its totient is φ = 7626528.

The previous prime is 12007123. The next prime is 12007147. The reversal of 12007131 is 13170021.

It is not a de Polignac number, because 12007131 - 2³ = 12007123 is a prime.

It is a super-2 number, since 2×12007131² = 288342389702322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12007131.

It is not an unprimeable number, because it can be changed into a prime (12007111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6000 + ... + 7746.

It is an arithmetic number, because the mean of its divisors is an integer number (1048800).

Almost surely, 2^12007131 is an apocalyptic number.

12007131 is a deficient number, since it is larger than the sum of its proper divisors (4773669).

12007131 is a wasteful number, since it uses less digits than its factorization.

12007131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 12007131 is about 3465.1307334645. The cubic root of 12007131 is about 228.9881892932.

Adding to 12007131 its reverse (13170021), we get a palindrome (25177152).

The spelling of 12007131 in words is "twelve million, seven thousand, one hundred thirty-one".