13394238 has 64 divisors (see below), whose sum is σ = 32078592. Its totient is φ = 3674880.

The previous prime is 13394219. The next prime is 13394261. The reversal of 13394238 is 83249331.

It is a happy number.

13394238 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 2×13394238² = 358811223201288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 13394199 and 13394208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57370 + ... + 57602.

It is an arithmetic number, because the mean of its divisors is an integer number (501228).

Almost surely, 2^13394238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13394238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16039296).

13394238 is an abundant number, since it is smaller than the sum of its proper divisors (18684354).

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

13394238 is a wasteful number, since it uses less digits than its factorization.

13394238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329.

The product of its digits is 15552, while the sum is 33.

The square root of 13394238 is about 3659.8139296964. The cubic root of 13394238 is about 237.4867242810.

The spelling of 13394238 in words is "thirteen million, three hundred ninety-four thousand, two hundred thirty-eight".