13231092 has 24 divisors (see below), whose sum is σ = 35283136. Its totient is φ = 3780288.

The previous prime is 13231067. The next prime is 13231103. The reversal of 13231092 is 29013231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78673 + ... + 78840.

Almost surely, 2^13231092 is an apocalyptic number.

13231092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13231092 is an abundant number, since it is smaller than the sum of its proper divisors (22052044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13231092 is a wasteful number, since it uses less digits than its factorization.

13231092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157527 (or 157525 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 13231092 is about 3637.4568038672. The cubic root of 13231092 is about 236.5185619241.

It can be divided in two parts, 1323 and 1092, that added together give a triangular number (2415 = T₆₉).

The spelling of 13231092 in words is "thirteen million, two hundred thirty-one thousand, ninety-two".