12779463 has 8 divisors (see below), whose sum is σ = 17074800. Its totient is φ = 8501888.

The previous prime is 12779449. The next prime is 12779483. The reversal of 12779463 is 36497721.

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

It is a cyclic number.

It is not a de Polignac number, because 12779463 - 2⁶ = 12779399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12779483) 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, 2658 + ... + 5711.

It is an arithmetic number, because the mean of its divisors is an integer number (2134350).

Almost surely, 2^12779463 is an apocalyptic number.

12779463 is a deficient number, since it is larger than the sum of its proper divisors (4295337).

12779463 is an equidigital number, since it uses as much as digits as its factorization.

12779463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8881.

The product of its digits is 63504, while the sum is 39.

The square root of 12779463 is about 3574.8374788233. The cubic root of 12779463 is about 233.7962467715.

The spelling of 12779463 in words is "twelve million, seven hundred seventy-nine thousand, four hundred sixty-three".