13422516 has 24 divisors (see below), whose sum is σ = 31533600. Its totient is φ = 4443552.

The previous prime is 13422509. The next prime is 13422517. The reversal of 13422516 is 61522431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13422517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1966 + ... + 5541.

It is an arithmetic number, because the mean of its divisors is an integer number (1313900).

Almost surely, 2^13422516 is an apocalyptic number.

It is an amenable number.

13422516 is an abundant number, since it is smaller than the sum of its proper divisors (18111084).

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

13422516 is a wasteful number, since it uses less digits than its factorization.

13422516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7663 (or 7661 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 13422516 is about 3663.6752039448. The cubic root of 13422516 is about 237.6537346299.

Adding to 13422516 its reverse (61522431), we get a palindrome (74944947).

The spelling of 13422516 in words is "thirteen million, four hundred twenty-two thousand, five hundred sixteen".