12773818 has 8 divisors (see below), whose sum is σ = 19446912. Its totient is φ = 6291516.

The previous prime is 12773807. The next prime is 12773857. The reversal of 12773818 is 81837721.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47530 + ... + 47797.

It is an arithmetic number, because the mean of its divisors is an integer number (2430864).

Almost surely, 2^12773818 is an apocalyptic number.

12773818 is a deficient number, since it is larger than the sum of its proper divisors (6673094).

12773818 is an equidigital number, since it uses as much as digits as its factorization.

12773818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95396.

The product of its digits is 18816, while the sum is 37.

The square root of 12773818 is about 3574.0478452310. The cubic root of 12773818 is about 233.7618172031.

The spelling of 12773818 in words is "twelve million, seven hundred seventy-three thousand, eight hundred eighteen".