13782836 has 12 divisors (see below), whose sum is σ = 24334212. Its totient is φ = 6830208.

The previous prime is 13782829. The next prime is 13782841. The reversal of 13782836 is 63828731.

It is a happy number.

13782836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 504100 + 13278736 = 710^2 + 3644^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13782836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14795 + ... + 15698.

It is an arithmetic number, because the mean of its divisors is an integer number (2027851).

Almost surely, 2^13782836 is an apocalyptic number.

It is an amenable number.

13782836 is a deficient number, since it is larger than the sum of its proper divisors (10551376).

13782836 is a wasteful number, since it uses less digits than its factorization.

13782836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30610 (or 30608 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 13782836 is about 3712.5242086753. The cubic root of 13782836 is about 239.7615455671.

The spelling of 13782836 in words is "thirteen million, seven hundred eighty-two thousand, eight hundred thirty-six".