13422744 has 48 divisors (see below), whose sum is σ = 37248120. Its totient is φ = 4364160.

The previous prime is 13422733. The next prime is 13422767. The reversal of 13422744 is 44722431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 679 + ... + 5225.

Almost surely, 2^13422744 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 13422744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18624060).

13422744 is an abundant number, since it is smaller than the sum of its proper divisors (23825376).

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

13422744 is a wasteful number, since it uses less digits than its factorization.

13422744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4600 (or 4593 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 13422744 is about 3663.7063201081. The cubic root of 13422744 is about 237.6550802481.

The spelling of 13422744 in words is "thirteen million, four hundred twenty-two thousand, seven hundred forty-four".