13117582 has 4 divisors (see below), whose sum is σ = 19676376. Its totient is φ = 6558790.

The previous prime is 13117579. The next prime is 13117661. The reversal of 13117582 is 28571131.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13117582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3279394 + ... + 3279397.

It is an arithmetic number, because the mean of its divisors is an integer number (4919094).

Almost surely, 2^13117582 is an apocalyptic number.

13117582 is a deficient number, since it is larger than the sum of its proper divisors (6558794).

13117582 is an equidigital number, since it uses as much as digits as its factorization.

13117582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6558793.

The product of its digits is 1680, while the sum is 28.

The square root of 13117582 is about 3621.8202605872. The cubic root of 13117582 is about 235.8402514615.

The spelling of 13117582 in words is "thirteen million, one hundred seventeen thousand, five hundred eighty-two".