13420185 has 16 divisors (see below), whose sum is σ = 22213440. Its totient is φ = 6910400.

The previous prime is 13420181. The next prime is 13420193. The reversal of 13420185 is 58102431.

13420185 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13420185 - 2² = 13420181 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13420181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14991 + ... + 15860.

It is an arithmetic number, because the mean of its divisors is an integer number (1388340).

Almost surely, 2^13420185 is an apocalyptic number.

13420185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13420185 is a deficient number, since it is larger than the sum of its proper divisors (8793255).

13420185 is a wasteful number, since it uses less digits than its factorization.

13420185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30888.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 13420185 is about 3663.3570669538. The cubic root of 13420185 is about 237.6399765802.

The spelling of 13420185 in words is "thirteen million, four hundred twenty thousand, one hundred eighty-five".