13425605 has 4 divisors (see below), whose sum is σ = 16110732. Its totient is φ = 10740480.

The previous prime is 13425569. The next prime is 13425613. The reversal of 13425605 is 50652431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50652431 = 269 ⋅188299.

It can be written as a sum of positive squares in 2 ways, for example, as 3076516 + 10349089 = 1754^2 + 3217^2 .

It is not a de Polignac number, because 13425605 - 2¹² = 13421509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1342556 + ... + 1342565.

It is an arithmetic number, because the mean of its divisors is an integer number (4027683).

Almost surely, 2^13425605 is an apocalyptic number.

It is an amenable number.

13425605 is a deficient number, since it is larger than the sum of its proper divisors (2685127).

13425605 is an equidigital number, since it uses as much as digits as its factorization.

13425605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685126.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 13425605 is about 3664.0967509060. The cubic root of 13425605 is about 237.6719641004.

The spelling of 13425605 in words is "thirteen million, four hundred twenty-five thousand, six hundred five".