12766963 has 8 divisors (see below), whose sum is σ = 13955760. Its totient is φ = 11582880.

The previous prime is 12766937. The next prime is 12766967. The reversal of 12766963 is 36966721.

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 12766963 - 2¹⁷ = 12635891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12766967) 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, 6981 + ... + 8617.

It is an arithmetic number, because the mean of its divisors is an integer number (1744470).

Almost surely, 2^12766963 is an apocalyptic number.

12766963 is a deficient number, since it is larger than the sum of its proper divisors (1188797).

12766963 is a wasteful number, since it uses less digits than its factorization.

12766963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357.

The product of its digits is 81648, while the sum is 40.

The square root of 12766963 is about 3573.0887198613. The cubic root of 12766963 is about 233.7199940513.

The spelling of 12766963 in words is "twelve million, seven hundred sixty-six thousand, nine hundred sixty-three".