13257575 has 6 divisors (see below), whose sum is σ = 16439424. Its totient is φ = 10606040.

The previous prime is 13257533. The next prime is 13257577. The reversal of 13257575 is 57575231.

It is not a de Polignac number, because 13257575 - 2⁸ = 13257319 is a prime.

It is a Duffinian number.

13257575 is a modest number, since divided by 7575 gives 1325 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13257577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 265127 + ... + 265176.

It is an arithmetic number, because the mean of its divisors is an integer number (2739904).

Almost surely, 2^13257575 is an apocalyptic number.

13257575 is a deficient number, since it is larger than the sum of its proper divisors (3181849).

13257575 is an equidigital number, since it uses as much as digits as its factorization.

13257575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530313 (or 530308 counting only the distinct ones).

The product of its digits is 36750, while the sum is 35.

The square root of 13257575 is about 3641.0953022408. The cubic root of 13257575 is about 236.6762598329.

The spelling of 13257575 in words is "thirteen million, two hundred fifty-seven thousand, five hundred seventy-five".