13102992 has 120 divisors (see below), whose sum is σ = 43821600. Its totient is φ = 3737664.

The previous prime is 13102981. The next prime is 13102993. The reversal of 13102992 is 29920131.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13102993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20859 + ... + 21477.

It is an arithmetic number, because the mean of its divisors is an integer number (365180).

Almost surely, 2^13102992 is an apocalyptic number.

13102992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13102992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21910800).

13102992 is an abundant number, since it is smaller than the sum of its proper divisors (30718608).

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

13102992 is a wasteful number, since it uses less digits than its factorization.

13102992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 13102992 is about 3619.8055196378. The cubic root of 13102992 is about 235.7527814341.

The spelling of 13102992 in words is "thirteen million, one hundred two thousand, nine hundred ninety-two".