13440992 has 24 divisors (see below), whose sum is σ = 26649000. Its totient is φ = 6673024.

The previous prime is 13440971. The next prime is 13440997. The reversal of 13440992 is 29904431.

It is a happy number.

13440992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13440997) 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, 3359 + ... + 6177.

It is an arithmetic number, because the mean of its divisors is an integer number (1110375).

Almost surely, 2^13440992 is an apocalyptic number.

It is an amenable number.

13440992 is a deficient number, since it is larger than the sum of its proper divisors (13208008).

13440992 is a wasteful number, since it uses less digits than its factorization.

13440992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2978 (or 2970 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 13440992 is about 3666.1958485602. The cubic root of 13440992 is about 237.7627275406.

The spelling of 13440992 in words is "thirteen million, four hundred forty thousand, nine hundred ninety-two".