13420659 has 12 divisors (see below), whose sum is σ = 20815944. Its totient is φ = 7668864.

The previous prime is 13420643. The next prime is 13420663. The reversal of 13420659 is 95602431.

13420659 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13420659 - 2⁴ = 13420643 is a prime.

It is a super-2 number, since 2×13420659² = 360228175988562, which contains 22 as substring.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13420619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45502 + ... + 45795.

It is an arithmetic number, because the mean of its divisors is an integer number (1734662).

Almost surely, 2^13420659 is an apocalyptic number.

13420659 is a deficient number, since it is larger than the sum of its proper divisors (7395285).

13420659 is an equidigital number, since it uses as much as digits as its factorization.

13420659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91314 (or 91307 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 13420659 is about 3663.4217611408. The cubic root of 13420659 is about 237.6427743564.

The spelling of 13420659 in words is "thirteen million, four hundred twenty thousand, six hundred fifty-nine".