12878963 has 2 divisors, whose sum is σ = 12878964. Its totient is φ = 12878962.

The previous prime is 12878927. The next prime is 12878969. The reversal of 12878963 is 36987821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12878963 - 2²⁰ = 11830387 is a prime.

It is not a weakly prime, because it can be changed into another prime (12878969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6439481 + 6439482.

It is an arithmetic number, because the mean of its divisors is an integer number (6439482).

Almost surely, 2^12878963 is an apocalyptic number.

12878963 is a deficient number, since it is larger than the sum of its proper divisors (1).

12878963 is an equidigital number, since it uses as much as digits as its factorization.

12878963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 44.

The square root of 12878963 is about 3588.7272117005. The cubic root of 12878963 is about 234.4014524929.

The spelling of 12878963 in words is "twelve million, eight hundred seventy-eight thousand, nine hundred sixty-three".