13238394 has 32 divisors (see below), whose sum is σ = 28848960. Its totient is φ = 4025472.

The previous prime is 13238389. The next prime is 13238399. The reversal of 13238394 is 49383231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13238389) and next prime (13238399).

It is not an unprimeable number, because it can be changed into a prime (13238399) 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, 5989 + ... + 7895.

It is an arithmetic number, because the mean of its divisors is an integer number (901530).

Almost surely, 2^13238394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13238394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14424480).

13238394 is an abundant number, since it is smaller than the sum of its proper divisors (15610566).

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

13238394 is a wasteful number, since it uses less digits than its factorization.

13238394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014.

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

The square root of 13238394 is about 3638.4603886809. The cubic root of 13238394 is about 236.5620640257.

The spelling of 13238394 in words is "thirteen million, two hundred thirty-eight thousand, three hundred ninety-four".