13525130 has 16 divisors (see below), whose sum is σ = 24398280. Its totient is φ = 5398272.

The previous prime is 13525129. The next prime is 13525133. The reversal of 13525130 is 3152531.

It can be written as a sum of positive squares in 4 ways, for example, as 7912969 + 5612161 = 2813^2 + 2369^2 .

It is not an unprimeable number, because it can be changed into a prime (13525133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4502 + ... + 6878.

Almost surely, 2^13525130 is an apocalyptic number.

13525130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13525130 is a deficient number, since it is larger than the sum of its proper divisors (10873150).

13525130 is a wasteful number, since it uses less digits than its factorization.

13525130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 13525130 is about 3677.6527840458. The cubic root of 13525130 is about 238.2578120976.

Adding to 13525130 its reverse (3152531), we get a palindrome (16677661).

The spelling of 13525130 in words is "thirteen million, five hundred twenty-five thousand, one hundred thirty".