13304988 has 36 divisors (see below), whose sum is σ = 33742800. Its totient is φ = 4420416.

The previous prime is 13304987. The next prime is 13304989. The reversal of 13304988 is 88940331.

It is an interprime number because it is at equal distance from previous prime (13304987) and next prime (13304989).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13304981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21256 + ... + 21872.

It is an arithmetic number, because the mean of its divisors is an integer number (937300).

Almost surely, 2^13304988 is an apocalyptic number.

13304988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13304988 is an abundant number, since it is smaller than the sum of its proper divisors (20437812).

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

13304988 is a wasteful number, since it uses less digits than its factorization.

13304988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226 (or 1221 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 13304988 is about 3647.6003070512. The cubic root of 13304988 is about 236.9580655390.

The spelling of 13304988 in words is "thirteen million, three hundred four thousand, nine hundred eighty-eight".