13389888 has 28 divisors (see below), whose sum is σ = 35427920. Its totient is φ = 4463232.

The previous prime is 13389881. The next prime is 13389907. The reversal of 13389888 is 88898331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (13389881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34678 + ... + 35061.

Almost surely, 2^13389888 is an apocalyptic number.

It is an amenable number.

13389888 is an abundant number, since it is smaller than the sum of its proper divisors (22038032).

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

13389888 is an equidigital number, since it uses as much as digits as its factorization.

13389888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69754 (or 69744 counting only the distinct ones).

The product of its digits is 331776, while the sum is 48.

The square root of 13389888 is about 3659.2195889288. The cubic root of 13389888 is about 237.4610122521.

The spelling of 13389888 in words is "thirteen million, three hundred eighty-nine thousand, eight hundred eighty-eight".