13358988 has 18 divisors (see below), whose sum is σ = 33768644. Its totient is φ = 4452984.

The previous prime is 13358981. The next prime is 13358993. The reversal of 13358988 is 88985331.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (13358981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 185506 + ... + 185577.

Almost surely, 2^13358988 is an apocalyptic number.

13358988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13358988 is an abundant number, since it is smaller than the sum of its proper divisors (20409656).

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

13358988 is a wasteful number, since it uses less digits than its factorization.

13358988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371093 (or 371088 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 13358988 is about 3654.9949384370. The cubic root of 13358988 is about 237.2782077148.

The spelling of 13358988 in words is "thirteen million, three hundred fifty-eight thousand, nine hundred eighty-eight".