13420992 has 112 divisors (see below), whose sum is σ = 40396160. Its totient is φ = 3898368.

The previous prime is 13420987. The next prime is 13420999. The reversal of 13420992 is 29902431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13420999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47283 + ... + 47565.

It is an arithmetic number, because the mean of its divisors is an integer number (360680).

Almost surely, 2^13420992 is an apocalyptic number.

13420992 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 13420992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20198080).

13420992 is an abundant number, since it is smaller than the sum of its proper divisors (26975168).

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

13420992 is a wasteful number, since it uses less digits than its factorization.

13420992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 13420992 is about 3663.4672101713. The cubic root of 13420992 is about 237.6447398433.

The spelling of 13420992 in words is "thirteen million, four hundred twenty thousand, nine hundred ninety-two".