13412988 has 36 divisors (see below), whose sum is σ = 34074040. Its totient is φ = 4448736.

The previous prime is 13412953. The next prime is 13412999. The reversal of 13412988 is 88921431.

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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7431 + ... + 9057.

Almost surely, 2^13412988 is an apocalyptic number.

13412988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13412988 is an abundant number, since it is smaller than the sum of its proper divisors (20661052).

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

13412988 is a wasteful number, since it uses less digits than its factorization.

13412988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866 (or 1861 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 13412988 is about 3662.3746394928. The cubic root of 13412988 is about 237.5974883250.

It can be divided in two parts, 13412 and 988, that added together give a square (14400 = 120²).

The spelling of 13412988 in words is "thirteen million, four hundred twelve thousand, nine hundred eighty-eight".