13377663 has 16 divisors (see below), whose sum is σ = 21343840. Its totient is φ = 8232192.

The previous prime is 13377649. The next prime is 13377701. The reversal of 13377663 is 36677331.

13377663 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13377663 - 2⁵ = 13377631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13377643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18706 + ... + 19407.

It is an arithmetic number, because the mean of its divisors is an integer number (1333990).

Almost surely, 2^13377663 is an apocalyptic number.

13377663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13377663 is a deficient number, since it is larger than the sum of its proper divisors (7966177).

13377663 is a wasteful number, since it uses less digits than its factorization.

13377663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38135 (or 38129 counting only the distinct ones).

The product of its digits is 47628, while the sum is 36.

The square root of 13377663 is about 3657.5487693263. The cubic root of 13377663 is about 237.3887227554.

The spelling of 13377663 in words is "thirteen million, three hundred seventy-seven thousand, six hundred sixty-three".