13426188 has 48 divisors (see below), whose sum is σ = 33233760. Its totient is φ = 4211200.

The previous prime is 13426187. The next prime is 13426199. The reversal of 13426188 is 88162431.

13426188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13426188² = 360525048422688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13426187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13798 + ... + 14738.

It is an arithmetic number, because the mean of its divisors is an integer number (692370).

Almost surely, 2^13426188 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 13426188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16616880).

13426188 is an abundant number, since it is smaller than the sum of its proper divisors (19807572).

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

13426188 is a wasteful number, since it uses less digits than its factorization.

13426188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018 (or 1016 counting only the distinct ones).

The product of its digits is 9216, while the sum is 33.

The square root of 13426188 is about 3664.1763058019. The cubic root of 13426188 is about 237.6754043116.

The spelling of 13426188 in words is "thirteen million, four hundred twenty-six thousand, one hundred eighty-eight".