13389420 has 48 divisors (see below), whose sum is σ = 40900608. Its totient is φ = 3245760.

The previous prime is 13389419. The next prime is 13389437. The reversal of 13389420 is 2498331.

13389420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9484 + ... + 10803.

It is an arithmetic number, because the mean of its divisors is an integer number (852096).

Almost surely, 2^13389420 is an apocalyptic number.

13389420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13389420 is an abundant number, since it is smaller than the sum of its proper divisors (27511188).

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

13389420 is a wasteful number, since it uses less digits than its factorization.

13389420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20310 (or 20308 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 13389420 is about 3659.1556403083. The cubic root of 13389420 is about 237.4582456606.

The spelling of 13389420 in words is "thirteen million, three hundred eighty-nine thousand, four hundred twenty".