12660479 has 8 divisors (see below), whose sum is σ = 14352240. Its totient is φ = 11071296.

The previous prime is 12660467. The next prime is 12660523. The reversal of 12660479 is 97406621.

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-12660479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12660409) 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, 25382 + ... + 25875.

It is an arithmetic number, because the mean of its divisors is an integer number (1794030).

Almost surely, 2^12660479 is an apocalyptic number.

12660479 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12660479 is a deficient number, since it is larger than the sum of its proper divisors (1691761).

12660479 is a wasteful number, since it uses less digits than its factorization.

12660479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51289.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 12660479 is about 3558.1566857012. The cubic root of 12660479 is about 233.0683915721.

The spelling of 12660479 in words is "twelve million, six hundred sixty thousand, four hundred seventy-nine".