12756973 has 8 divisors (see below), whose sum is σ = 13356288. Its totient is φ = 12161424.

The previous prime is 12756967. The next prime is 12756977. The reversal of 12756973 is 37965721.

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-12756973 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 (12756977) 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, 7836 + ... + 9322.

It is an arithmetic number, because the mean of its divisors is an integer number (1669536).

Almost surely, 2^12756973 is an apocalyptic number.

It is an amenable number.

12756973 is a deficient number, since it is larger than the sum of its proper divisors (599315).

12756973 is a wasteful number, since it uses less digits than its factorization.

12756973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883.

The product of its digits is 79380, while the sum is 40.

The square root of 12756973 is about 3571.6904961097. The cubic root of 12756973 is about 233.6590170853.

The spelling of 12756973 in words is "twelve million, seven hundred fifty-six thousand, nine hundred seventy-three".