13309125 has 16 divisors (see below), whose sum is σ = 22147008. Its totient is φ = 7098000.

The previous prime is 13309099. The next prime is 13309151. The reversal of 13309125 is 52190331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13309099) and next prime (13309151).

It is not a de Polignac number, because 13309125 - 2⁶ = 13309061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13309095 and 13309104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17371 + ... + 18120.

It is an arithmetic number, because the mean of its divisors is an integer number (1384188).

Almost surely, 2^13309125 is an apocalyptic number.

13309125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13309125 is a deficient number, since it is larger than the sum of its proper divisors (8837883).

13309125 is an equidigital number, since it uses as much as digits as its factorization.

13309125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35509 (or 35499 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 13309125 is about 3648.1673481352. The cubic root of 13309125 is about 236.9826225931.

Adding to 13309125 its reverse (52190331), we get a palindrome (65499456).

The spelling of 13309125 in words is "thirteen million, three hundred nine thousand, one hundred twenty-five".