12779461 has 8 divisors (see below), whose sum is σ = 13595904. Its totient is φ = 11970240.

The previous prime is 12779449. The next prime is 12779483. The reversal of 12779461 is 16497721.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12779461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12779461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12779411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2106 + ... + 5476.

It is an arithmetic number, because the mean of its divisors is an integer number (1699488).

Almost surely, 2^12779461 is an apocalyptic number.

It is an amenable number.

12779461 is a deficient number, since it is larger than the sum of its proper divisors (816443).

12779461 is a wasteful number, since it uses less digits than its factorization.

12779461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611.

The product of its digits is 21168, while the sum is 37.

The square root of 12779461 is about 3574.8371990903. The cubic root of 12779461 is about 233.7962345751.

The spelling of 12779461 in words is "twelve million, seven hundred seventy-nine thousand, four hundred sixty-one".