12731092 has 12 divisors (see below), whose sum is σ = 24304896. Its totient is φ = 5786840.

The previous prime is 12731063. The next prime is 12731093. The reversal of 12731092 is 29013721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12731093) 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, 144628 + ... + 144715.

It is an arithmetic number, because the mean of its divisors is an integer number (2025408).

Almost surely, 2^12731092 is an apocalyptic number.

It is an amenable number.

12731092 is a deficient number, since it is larger than the sum of its proper divisors (11573804).

12731092 is a wasteful number, since it uses less digits than its factorization.

12731092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289358 (or 289356 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 12731092 is about 3568.0655823569. The cubic root of 12731092 is about 233.5008964196.

The spelling of 12731092 in words is "twelve million, seven hundred thirty-one thousand, ninety-two".