12740966 has 8 divisors (see below), whose sum is σ = 21841680. Its totient is φ = 5460408.

The previous prime is 12740957. The next prime is 12740971. The reversal of 12740966 is 66904721.

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

It is a super-2 number, since 2×12740966² = 324664429226312, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455021 + ... + 455048.

It is an arithmetic number, because the mean of its divisors is an integer number (2730210).

Almost surely, 2^12740966 is an apocalyptic number.

12740966 is a deficient number, since it is larger than the sum of its proper divisors (9100714).

12740966 is an equidigital number, since it uses as much as digits as its factorization.

12740966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910078.

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

The square root of 12740966 is about 3569.4489770832. The cubic root of 12740966 is about 233.5612471486.

The spelling of 12740966 in words is "twelve million, seven hundred forty thousand, nine hundred sixty-six".