13575397 has 8 divisors (see below), whose sum is σ = 14988960. Its totient is φ = 12191760.

The previous prime is 13575389. The next prime is 13575407. The reversal of 13575397 is 79357531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13575397 - 2³ = 13575389 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13575307) 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 7 ways as a sum of consecutive naturals, for example, 6522 + ... + 8347.

It is an arithmetic number, because the mean of its divisors is an integer number (1873620).

Almost surely, 2^13575397 is an apocalyptic number.

It is an amenable number.

13575397 is a deficient number, since it is larger than the sum of its proper divisors (1413563).

13575397 is a wasteful number, since it uses less digits than its factorization.

13575397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14963.

The product of its digits is 99225, while the sum is 40.

The square root of 13575397 is about 3684.4805604047. The cubic root of 13575397 is about 238.5526139185.

The spelling of 13575397 in words is "thirteen million, five hundred seventy-five thousand, three hundred ninety-seven".