13377616 has 40 divisors (see below), whose sum is σ = 30585344. Its totient is φ = 5546880.

The previous prime is 13377593. The next prime is 13377629. The reversal of 13377616 is 61677331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1546 + ... + 5398.

Almost surely, 2^13377616 is an apocalyptic number.

13377616 is a gapful number since it is divisible by the number (16) 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 13377616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15292672).

13377616 is an abundant number, since it is smaller than the sum of its proper divisors (17207728).

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

13377616 is a wasteful number, since it uses less digits than its factorization.

13377616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3899 (or 3893 counting only the distinct ones).

The product of its digits is 15876, while the sum is 34.

The square root of 13377616 is about 3657.5423442525. The cubic root of 13377616 is about 237.3884447476.

The spelling of 13377616 in words is "thirteen million, three hundred seventy-seven thousand, six hundred sixteen".