13377988 has 48 divisors (see below), whose sum is σ = 26768896. Its totient is φ = 5806080.

The previous prime is 13377977. The next prime is 13378003. The reversal of 13377988 is 88977331.

It is a happy 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, 69220 + ... + 69412.

Almost surely, 2^13377988 is an apocalyptic number.

It is an amenable number.

13377988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

13377988 is a wasteful number, since it uses less digits than its factorization.

13377988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 282 counting only the distinct ones).

The product of its digits is 254016, while the sum is 46.

The square root of 13377988 is about 3657.5931977190. The cubic root of 13377988 is about 237.3906451317.

It can be divided in two parts, 13377 and 988, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 13377988 in words is "thirteen million, three hundred seventy-seven thousand, nine hundred eighty-eight".