13125135 has 16 divisors (see below), whose sum is σ = 21097440. Its totient is φ = 6967680.

The previous prime is 13125127. The next prime is 13125169. The reversal of 13125135 is 53152131.

It is not a de Polignac number, because 13125135 - 2³ = 13125127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1525 + ... + 5345.

It is an arithmetic number, because the mean of its divisors is an integer number (1318590).

Almost surely, 2^13125135 is an apocalyptic number.

13125135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13125135 is a deficient number, since it is larger than the sum of its proper divisors (7972305).

13125135 is a wasteful number, since it uses less digits than its factorization.

13125135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058.

The product of its digits is 450, while the sum is 21.

The square root of 13125135 is about 3622.8628182696. The cubic root of 13125135 is about 235.8855077606.

Adding to 13125135 its reverse (53152131), we get a palindrome (66277266).

The spelling of 13125135 in words is "thirteen million, one hundred twenty-five thousand, one hundred thirty-five".