13422992 has 40 divisors (see below), whose sum is σ = 28926720. Its totient is φ = 5982080.

The previous prime is 13422943. The next prime is 13423019. The reversal of 13422992 is 29922431.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8609 + ... + 10047.

It is an arithmetic number, because the mean of its divisors is an integer number (723168).

Almost surely, 2^13422992 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 13422992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14463360).

13422992 is an abundant number, since it is smaller than the sum of its proper divisors (15503728).

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

13422992 is a wasteful number, since it uses less digits than its factorization.

13422992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511 (or 1505 counting only the distinct ones).

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

The square root of 13422992 is about 3663.7401654593. The cubic root of 13422992 is about 237.6565438856.

It can be divided in two parts, 1342 and 2992, that added together give a palindrome (4334).

The spelling of 13422992 in words is "thirteen million, four hundred twenty-two thousand, nine hundred ninety-two".