13275663 has 4 divisors (see below), whose sum is σ = 17700888. Its totient is φ = 8850440.

The previous prime is 13275659. The next prime is 13275683. The reversal of 13275663 is 36657231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13275663 - 2² = 13275659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13275653) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2212608 + ... + 2212613.

It is an arithmetic number, because the mean of its divisors is an integer number (4425222).

Almost surely, 2^13275663 is an apocalyptic number.

13275663 is a deficient number, since it is larger than the sum of its proper divisors (4425225).

13275663 is an equidigital number, since it uses as much as digits as its factorization.

13275663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425224.

The product of its digits is 22680, while the sum is 33.

The square root of 13275663 is about 3643.5783235715. The cubic root of 13275663 is about 236.7838475009.

The spelling of 13275663 in words is "thirteen million, two hundred seventy-five thousand, six hundred sixty-three".