13383756 has 36 divisors (see below), whose sum is σ = 33956832. Its totient is φ = 4444704.

The previous prime is 13383701. The next prime is 13383757. The reversal of 13383756 is 65738331.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13383756.

It is not an unprimeable number, because it can be changed into a prime (13383757) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12706 + ... + 13718.

Almost surely, 2^13383756 is an apocalyptic number.

It is an amenable number.

13383756 is an abundant number, since it is smaller than the sum of its proper divisors (20573076).

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

13383756 is a wasteful number, since it uses less digits than its factorization.

13383756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390 (or 1385 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 13383756 is about 3658.3816094005. The cubic root of 13383756 is about 237.4247576978.

The spelling of 13383756 in words is "thirteen million, three hundred eighty-three thousand, seven hundred fifty-six".