13275537 has 16 divisors (see below), whose sum is σ = 19389888. Its totient is φ = 8012480.

The previous prime is 13275527. The next prime is 13275539. The reversal of 13275537 is 73557231.

It is a cyclic number.

It is not a de Polignac number, because 13275537 - 2¹¹ = 13273489 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

13275537 is a Rhonda number in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 13275498 and 13275507.

It is not an unprimeable number, because it can be changed into a prime (13275539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8983 + ... + 10355.

It is an arithmetic number, because the mean of its divisors is an integer number (1211868).

Almost surely, 2^13275537 is an apocalyptic number.

It is an amenable number.

13275537 is a deficient number, since it is larger than the sum of its proper divisors (6114351).

13275537 is a wasteful number, since it uses less digits than its factorization.

13275537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680.

The product of its digits is 22050, while the sum is 33.

The square root of 13275537 is about 3643.5610328359. The cubic root of 13275537 is about 236.7830983893.

The spelling of 13275537 in words is "thirteen million, two hundred seventy-five thousand, five hundred thirty-seven".