12779494 has 32 divisors (see below), whose sum is σ = 24091200. Its totient is φ = 5052096.

The previous prime is 12779483. The next prime is 12779531. The reversal of 12779494 is 49497721.

It is a self number, because there is not a number n which added to its sum of digits gives 12779494.

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, 8202 + ... + 9634.

It is an arithmetic number, because the mean of its divisors is an integer number (752850).

Almost surely, 2^12779494 is an apocalyptic number.

12779494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12779494 is a deficient number, since it is larger than the sum of its proper divisors (11311706).

12779494 is a wasteful number, since it uses less digits than its factorization.

12779494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469 (or 1455 counting only the distinct ones).

The product of its digits is 127008, while the sum is 43.

The square root of 12779494 is about 3574.8418146822. The cubic root of 12779494 is about 233.7964358164.

The spelling of 12779494 in words is "twelve million, seven hundred seventy-nine thousand, four hundred ninety-four".