13377998 has 4 divisors (see below), whose sum is σ = 20067000. Its totient is φ = 6688998.

The previous prime is 13377977. The next prime is 13378003. The reversal of 13377998 is 89977331.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3344498 + ... + 3344501.

It is an arithmetic number, because the mean of its divisors is an integer number (5016750).

Almost surely, 2^13377998 is an apocalyptic number.

13377998 is a deficient number, since it is larger than the sum of its proper divisors (6689002).

13377998 is an equidigital number, since it uses as much as digits as its factorization.

13377998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6689001.

The product of its digits is 285768, while the sum is 47.

The square root of 13377998 is about 3657.5945647379. The cubic root of 13377998 is about 237.3907042813.

The spelling of 13377998 in words is "thirteen million, three hundred seventy-seven thousand, nine hundred ninety-eight".