12826489582 has 4 divisors (see below), whose sum is σ = 19239734376. Its totient is φ = 6413244790.

The previous prime is 12826489573. The next prime is 12826489631. The reversal of 12826489582 is 28598462821.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3206622394 + ... + 3206622397.

It is an arithmetic number, because the mean of its divisors is an integer number (4809933594).

Almost surely, 2^12826489582 is an apocalyptic number.

12826489582 is a deficient number, since it is larger than the sum of its proper divisors (6413244794).

12826489582 is an equidigital number, since it uses as much as digits as its factorization.

12826489582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6413244793.

The product of its digits is 4423680, while the sum is 55.

The spelling of 12826489582 in words is "twelve billion, eight hundred twenty-six million, four hundred eighty-nine thousand, five hundred eighty-two".