13582263 has 4 divisors (see below), whose sum is σ = 18109688. Its totient is φ = 9054840.

The previous prime is 13582253. The next prime is 13582267. The reversal of 13582263 is 36228531.

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

It is not a de Polignac number, because 13582263 - 2⁸ = 13582007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13582263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13582267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2263708 + ... + 2263713.

It is an arithmetic number, because the mean of its divisors is an integer number (4527422).

Almost surely, 2^13582263 is an apocalyptic number.

13582263 is a deficient number, since it is larger than the sum of its proper divisors (4527425).

13582263 is an equidigital number, since it uses as much as digits as its factorization.

13582263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4527424.

The product of its digits is 8640, while the sum is 30.

The square root of 13582263 is about 3685.4121886161. The cubic root of 13582263 is about 238.5928245581.

The spelling of 13582263 in words is "thirteen million, five hundred eighty-two thousand, two hundred sixty-three".