13199568 has 40 divisors (see below), whose sum is σ = 34575168. Its totient is φ = 4338432.

The previous prime is 13199551. The next prime is 13199609. The reversal of 13199568 is 86599131.

It is a congruent number.

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, 1621 + ... + 5387.

Almost surely, 2^13199568 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 13199568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17287584).

13199568 is an abundant number, since it is smaller than the sum of its proper divisors (21375600).

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

13199568 is a wasteful number, since it uses less digits than its factorization.

13199568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3851 (or 3845 counting only the distinct ones).

The product of its digits is 58320, while the sum is 42.

The square root of 13199568 is about 3633.1209723872. The cubic root of 13199568 is about 236.3305718856.

It can be divided in two parts, 131 and 99568, that added together give a palindrome (99699).

The spelling of 13199568 in words is "thirteen million, one hundred ninety-nine thousand, five hundred sixty-eight".