13340992 has 56 divisors (see below), whose sum is σ = 30666944. Its totient is φ = 5640192.

The previous prime is 13340981. The next prime is 13340993. The reversal of 13340992 is 29904331.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13340993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43303 + ... + 43609.

It is an arithmetic number, because the mean of its divisors is an integer number (547624).

Almost surely, 2^13340992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13340992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15333472).

13340992 is an abundant number, since it is smaller than the sum of its proper divisors (17325952).

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

13340992 is an equidigital number, since it uses as much as digits as its factorization.

13340992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 13340992 is about 3652.5322722736. The cubic root of 13340992 is about 237.1716133762.

The spelling of 13340992 in words is "thirteen million, three hundred forty thousand, nine hundred ninety-two".