12131692 has 12 divisors (see below), whose sum is σ = 21261240. Its totient is φ = 6057056.

The previous prime is 12131689. The next prime is 12131701. The reversal of 12131692 is 29613121.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1659 + ... + 5197.

It is an arithmetic number, because the mean of its divisors is an integer number (1771770).

Almost surely, 2^12131692 is an apocalyptic number.

It is an amenable number.

12131692 is a deficient number, since it is larger than the sum of its proper divisors (9129548).

12131692 is a wasteful number, since it uses less digits than its factorization.

12131692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4400 (or 4398 counting only the distinct ones).

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

The square root of 12131692 is about 3483.0578519456. The cubic root of 12131692 is about 229.7773017696. Note that the first 3 decimals are identical.

It can be divided in two parts, 121 and 31692, that added together give a palindrome (31813).

The spelling of 12131692 in words is "twelve million, one hundred thirty-one thousand, six hundred ninety-two".