13285420 has 12 divisors (see below), whose sum is σ = 27899424. Its totient is φ = 5314160.

The previous prime is 13285417. The next prime is 13285423. The reversal of 13285420 is 2458231.

It is an interprime number because it is at equal distance from previous prime (13285417) and next prime (13285423).

It is not an unprimeable number, because it can be changed into a prime (13285423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332116 + ... + 332155.

It is an arithmetic number, because the mean of its divisors is an integer number (2324952).

Almost surely, 2^13285420 is an apocalyptic number.

13285420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13285420 is an abundant number, since it is smaller than the sum of its proper divisors (14614004).

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

13285420 is a wasteful number, since it uses less digits than its factorization.

13285420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664280 (or 664278 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 13285420 is about 3644.9170086574. The cubic root of 13285420 is about 236.8418416978.

The spelling of 13285420 in words is "thirteen million, two hundred eighty-five thousand, four hundred twenty".