12745798 has 8 divisors (see below), whose sum is σ = 20589408. Its totient is φ = 5882664.

The previous prime is 12745787. The next prime is 12745807. The reversal of 12745798 is 89754721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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, 245086 + ... + 245137.

It is an arithmetic number, because the mean of its divisors is an integer number (2573676).

Almost surely, 2^12745798 is an apocalyptic number.

12745798 is a deficient number, since it is larger than the sum of its proper divisors (7843610).

12745798 is a wasteful number, since it uses less digits than its factorization.

12745798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490238.

The product of its digits is 141120, while the sum is 43.

The square root of 12745798 is about 3570.1257680928. The cubic root of 12745798 is about 233.5907693818.

The spelling of 12745798 in words is "twelve million, seven hundred forty-five thousand, seven hundred ninety-eight".