13442856 has 128 divisors (see below), whose sum is σ = 41472000. Its totient is φ = 3622080.

The previous prime is 13442831. The next prime is 13442857. The reversal of 13442856 is 65824431.

13442856 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

13442856 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13442857) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189301 + ... + 189371.

It is an arithmetic number, because the mean of its divisors is an integer number (324000).

Almost surely, 2^13442856 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 13442856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20736000).

13442856 is an abundant number, since it is smaller than the sum of its proper divisors (28029144).

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

13442856 is a wasteful number, since it uses less digits than its factorization.

13442856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 106 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 13442856 is about 3666.4500542077. The cubic root of 13442856 is about 237.7737180300.

The spelling of 13442856 in words is "thirteen million, four hundred forty-two thousand, eight hundred fifty-six".