13238988 has 96 divisors (see below), whose sum is σ = 38191104. Its totient is φ = 3483648.

The previous prime is 13238987. The next prime is 13238989. The reversal of 13238988 is 88983231.

It is an interprime number because it is at equal distance from previous prime (13238987) and next prime (13238989).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13238987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104181 + ... + 104307.

It is an arithmetic number, because the mean of its divisors is an integer number (397824).

Almost surely, 2^13238988 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 13238988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19095552).

13238988 is an abundant number, since it is smaller than the sum of its proper divisors (24952116).

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

13238988 is a wasteful number, since it uses less digits than its factorization.

13238988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 229 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 13238988 is about 3638.5420156980. The cubic root of 13238988 is about 236.5656021126.

The spelling of 13238988 in words is "thirteen million, two hundred thirty-eight thousand, nine hundred eighty-eight".