13662125 has 8 divisors (see below), whose sum is σ = 17050488. Its totient is φ = 10929600.

The previous prime is 13662107. The next prime is 13662149. The reversal of 13662125 is 52126631.

It can be written as a sum of positive squares in 4 ways, for example, as 2758921 + 10903204 = 1661^2 + 3302^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13662125 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13662094 and 13662103.

It is a congruent number.

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, 54524 + ... + 54773.

It is an arithmetic number, because the mean of its divisors is an integer number (2131311).

Almost surely, 2^13662125 is an apocalyptic number.

It is an amenable number.

13662125 is a deficient number, since it is larger than the sum of its proper divisors (3388363).

13662125 is an equidigital number, since it uses as much as digits as its factorization.

13662125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109312 (or 109302 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 13662125 is about 3696.2311886569. The cubic root of 13662125 is about 239.0595429455.

Adding to 13662125 its reverse (52126631), we get a palindrome (65788756).

The spelling of 13662125 in words is "thirteen million, six hundred sixty-two thousand, one hundred twenty-five".