13376638 has 8 divisors (see below), whose sum is σ = 21889080. Its totient is φ = 6080280.

The previous prime is 13376633. The next prime is 13376641. The reversal of 13376638 is 83667331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13376597 and 13376606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13376633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303993 + ... + 304036.

It is an arithmetic number, because the mean of its divisors is an integer number (2736135).

Almost surely, 2^13376638 is an apocalyptic number.

13376638 is a deficient number, since it is larger than the sum of its proper divisors (8512442).

13376638 is a wasteful number, since it uses less digits than its factorization.

13376638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608042.

The product of its digits is 54432, while the sum is 37.

The square root of 13376638 is about 3657.4086454756. The cubic root of 13376638 is about 237.3826596720.

The spelling of 13376638 in words is "thirteen million, three hundred seventy-six thousand, six hundred thirty-eight".