13355988 has 24 divisors (see below), whose sum is σ = 31452960. Its totient is φ = 4410720.

The previous prime is 13355987. The next prime is 13355989. The reversal of 13355988 is 88955331.

It is an interprime number because it is at equal distance from previous prime (13355987) and next prime (13355989).

It is a super-2 number, since 2×13355988² = 356764830912288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13355983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3798 + ... + 6413.

It is an arithmetic number, because the mean of its divisors is an integer number (1310540).

Almost surely, 2^13355988 is an apocalyptic number.

It is an amenable number.

13355988 is an abundant number, since it is smaller than the sum of its proper divisors (18096972).

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

13355988 is a wasteful number, since it uses less digits than its factorization.

13355988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10327 (or 10325 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The square root of 13355988 is about 3654.5845181087. The cubic root of 13355988 is about 237.2604446948.

The spelling of 13355988 in words is "thirteen million, three hundred fifty-five thousand, nine hundred eighty-eight".