13422825 has 54 divisors (see below), whose sum is σ = 26107146. Its totient is φ = 6589440.

The previous prime is 13422821. The next prime is 13422859. The reversal of 13422825 is 52822431.

13422825 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 9 ways, for example, as 9162729 + 4260096 = 3027^2 + 2064^2 .

It is not a de Polignac number, because 13422825 - 2² = 13422821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13422821) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 37849 + ... + 38201.

Almost surely, 2^13422825 is an apocalyptic number.

13422825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13422825 is a deficient number, since it is larger than the sum of its proper divisors (12684321).

13422825 is a wasteful number, since it uses less digits than its factorization.

13422825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 374 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 13422825 is about 3663.7173744709. The cubic root of 13422825 is about 237.6555582930.

The spelling of 13422825 in words is "thirteen million, four hundred twenty-two thousand, eight hundred twenty-five".