13122616 has 64 divisors (see below), whose sum is σ = 28980000. Its totient is φ = 5515776.

The previous prime is 13122607. The next prime is 13122631. The reversal of 13122616 is 61622131.

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, 57190 + ... + 57418.

Almost surely, 2^13122616 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 13122616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14490000).

13122616 is an abundant number, since it is smaller than the sum of its proper divisors (15857384).

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

13122616 is a wasteful number, since it uses less digits than its factorization.

13122616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 292 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 13122616 is about 3622.5151483465. The cubic root of 13122616 is about 235.8704162686.

Adding to 13122616 its reverse (61622131), we get a palindrome (74744747).

The spelling of 13122616 in words is "thirteen million, one hundred twenty-two thousand, six hundred sixteen".