12779902 has 8 divisors (see below), whose sum is σ = 19186200. Its totient is φ = 6384504.

The previous prime is 12779861. The next prime is 12779917. The reversal of 12779902 is 20997721.

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, 1549 + ... + 5287.

It is an arithmetic number, because the mean of its divisors is an integer number (2398275).

Almost surely, 2^12779902 is an apocalyptic number.

12779902 is a deficient number, since it is larger than the sum of its proper divisors (6406298).

12779902 is a wasteful number, since it uses less digits than its factorization.

12779902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5450.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 12779902 is about 3574.8988796888. The cubic root of 12779902 is about 233.7989238631.

The spelling of 12779902 in words is "twelve million, seven hundred seventy-nine thousand, nine hundred two".