12779214 has 32 divisors (see below), whose sum is σ = 30481920. Its totient is φ = 3492192.

The previous prime is 12779209. The next prime is 12779231. The reversal of 12779214 is 41297721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5649 + ... + 7580.

It is an arithmetic number, because the mean of its divisors is an integer number (952560).

Almost surely, 2^12779214 is an apocalyptic number.

12779214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12779214 is an abundant number, since it is smaller than the sum of its proper divisors (17702706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12779214 is a wasteful number, since it uses less digits than its factorization.

12779214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13264.

The product of its digits is 7056, while the sum is 33.

The square root of 12779214 is about 3574.8026518956. The cubic root of 12779214 is about 233.7947283028.

The spelling of 12779214 in words is "twelve million, seven hundred seventy-nine thousand, two hundred fourteen".