13422552 has 64 divisors (see below), whose sum is σ = 39432960. Its totient is φ = 3753600.

The previous prime is 13422533. The next prime is 13422581. The reversal of 13422552 is 25522431.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1477 + ... + 5387.

It is an arithmetic number, because the mean of its divisors is an integer number (616140).

Almost surely, 2^13422552 is an apocalyptic number.

13422552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13422552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19716480).

13422552 is an abundant number, since it is smaller than the sum of its proper divisors (26010408).

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

13422552 is a wasteful number, since it uses less digits than its factorization.

13422552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3944 (or 3940 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 13422552 is about 3663.6801170408. The cubic root of 13422552 is about 237.6539470969.

Adding to 13422552 its reverse (25522431), we get a palindrome (38944983).

The spelling of 13422552 in words is "thirteen million, four hundred twenty-two thousand, five hundred fifty-two".