13168836 has 72 divisors (see below), whose sum is σ = 34978944. Its totient is φ = 4173120.

The previous prime is 13168807. The next prime is 13168847. The reversal of 13168836 is 63886131.

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 13168836.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72666 + ... + 72846.

Almost surely, 2^13168836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13168836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17489472).

13168836 is an abundant number, since it is smaller than the sum of its proper divisors (21810108).

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

13168836 is a wasteful number, since it uses less digits than its factorization.

13168836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 276 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 13168836 is about 3628.8890862081. The cubic root of 13168836 is about 236.1470165076.

The spelling of 13168836 in words is "thirteen million, one hundred sixty-eight thousand, eight hundred thirty-six".