12966518 has 8 divisors (see below), whose sum is σ = 19473048. Its totient is φ = 6475504.

The previous prime is 12966497. The next prime is 12966557. The reversal of 12966518 is 81566921.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1496 + ... + 5307.

It is an arithmetic number, because the mean of its divisors is an integer number (2434131).

Almost surely, 2^12966518 is an apocalyptic number.

12966518 is a deficient number, since it is larger than the sum of its proper divisors (6506530).

12966518 is an equidigital number, since it uses as much as digits as its factorization.

12966518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7758.

The product of its digits is 25920, while the sum is 38.

The square root of 12966518 is about 3600.9051639831. The cubic root of 12966518 is about 234.9314301224.

The spelling of 12966518 in words is "twelve million, nine hundred sixty-six thousand, five hundred eighteen".