13380786 has 12 divisors (see below), whose sum is σ = 28991742. Its totient is φ = 4460256.

The previous prime is 13380767. The next prime is 13380793. The reversal of 13380786 is 68708331.

It can be written as a sum of positive squares in only one way, i.e., 11350161 + 2030625 = 3369^2 + 1425^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 13380786.

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 in 5 ways as a sum of consecutive naturals, for example, 371671 + ... + 371706.

Almost surely, 2^13380786 is an apocalyptic number.

13380786 is an abundant number, since it is smaller than the sum of its proper divisors (15610956).

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

13380786 is a wasteful number, since it uses less digits than its factorization.

13380786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743385 (or 743382 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 13380786 is about 3657.9756696840. The cubic root of 13380786 is about 237.4071940259.

The spelling of 13380786 in words is "thirteen million, three hundred eighty thousand, seven hundred eighty-six".