12764479 has 8 divisors (see below), whose sum is σ = 15710240. Its totient is φ = 10099296.

The previous prime is 12764461. The next prime is 12764503. The reversal of 12764479 is 97446721.

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 12764479 - 2⁹ = 12763967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12764449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70044 + ... + 70225.

It is an arithmetic number, because the mean of its divisors is an integer number (1963780).

Almost surely, 2^12764479 is an apocalyptic number.

12764479 is a deficient number, since it is larger than the sum of its proper divisors (2945761).

12764479 is a wasteful number, since it uses less digits than its factorization.

12764479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140289.

The product of its digits is 84672, while the sum is 40.

The square root of 12764479 is about 3572.7411045302. The cubic root of 12764479 is about 233.7048351833.

The spelling of 12764479 in words is "twelve million, seven hundred sixty-four thousand, four hundred seventy-nine".