13425985 has 8 divisors (see below), whose sum is σ = 16666920. Its totient is φ = 10370304.

The previous prime is 13425977. The next prime is 13425991. The reversal of 13425985 is 58952431.

13425985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4717584 + 8708401 = 2172^2 + 2951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13425985 - 2³ = 13425977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46152 + ... + 46441.

It is an arithmetic number, because the mean of its divisors is an integer number (2083365).

Almost surely, 2^13425985 is an apocalyptic number.

It is an amenable number.

13425985 is a deficient number, since it is larger than the sum of its proper divisors (3240935).

13425985 is an equidigital number, since it uses as much as digits as its factorization.

13425985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92627.

The product of its digits is 43200, while the sum is 37.

The square root of 13425985 is about 3664.1486050650. The cubic root of 13425985 is about 237.6742064449.

The spelling of 13425985 in words is "thirteen million, four hundred twenty-five thousand, nine hundred eighty-five".