13525123 has 4 divisors (see below), whose sum is σ = 13780368. Its totient is φ = 13269880.

The previous prime is 13525111. The next prime is 13525129. The reversal of 13525123 is 32152531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32152531 = 1531 ⋅21001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13525123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13525094 and 13525103.

It is not an unprimeable number, because it can be changed into a prime (13525129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127543 + ... + 127648.

It is an arithmetic number, because the mean of its divisors is an integer number (3445092).

Almost surely, 2^13525123 is an apocalyptic number.

13525123 is a deficient number, since it is larger than the sum of its proper divisors (255245).

13525123 is an equidigital number, since it uses as much as digits as its factorization.

13525123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255244.

The product of its digits is 900, while the sum is 22.

The square root of 13525123 is about 3677.6518323517. The cubic root of 13525123 is about 238.2577709938.

Adding to 13525123 its reverse (32152531), we get a palindrome (45677654).

It can be divided in two parts, 1352 and 5123, that multiplied together give a palindrome (6926296).

The spelling of 13525123 in words is "thirteen million, five hundred twenty-five thousand, one hundred twenty-three".