13000992 has 24 divisors (see below), whose sum is σ = 34127856. Its totient is φ = 4333632.

The previous prime is 13000987. The next prime is 13000993. The reversal of 13000992 is 29900031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (13000993) 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, 67618 + ... + 67809.

It is an arithmetic number, because the mean of its divisors is an integer number (1421994).

Almost surely, 2^13000992 is an apocalyptic number.

13000992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13000992 is an abundant number, since it is smaller than the sum of its proper divisors (21126864).

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

13000992 is a wasteful number, since it uses less digits than its factorization.

13000992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135440 (or 135432 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 13000992 is about 3605.6888384884. The cubic root of 13000992 is about 235.1394494507.

The spelling of 13000992 in words is "thirteen million, nine hundred ninety-two", and thus it is an aban number.