13378836 has 24 divisors (see below), whose sum is σ = 31570560. Its totient is φ = 4409152.

The previous prime is 13378817. The next prime is 13378837. The reversal of 13378836 is 63887331.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13378794 and 13378803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13378837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5196 + ... + 7331.

It is an arithmetic number, because the mean of its divisors is an integer number (1315440).

Almost surely, 2^13378836 is an apocalyptic number.

It is an amenable number.

13378836 is an abundant number, since it is smaller than the sum of its proper divisors (18191724).

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

13378836 is a wasteful number, since it uses less digits than its factorization.

13378836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12623 (or 12621 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 13378836 is about 3657.7091191072. The cubic root of 13378836 is about 237.3956609087.

The spelling of 13378836 in words is "thirteen million, three hundred seventy-eight thousand, eight hundred thirty-six".