12131963 has 2 divisors, whose sum is σ = 12131964. Its totient is φ = 12131962.

The previous prime is 12131953. The next prime is 12132011. The reversal of 12131963 is 36913121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12131963 - 2¹⁶ = 12066427 is a prime.

It is not a weakly prime, because it can be changed into another prime (12131953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065981 + 6065982.

It is an arithmetic number, because the mean of its divisors is an integer number (6065982).

Almost surely, 2^12131963 is an apocalyptic number.

12131963 is a deficient number, since it is larger than the sum of its proper divisors (1).

12131963 is an equidigital number, since it uses as much as digits as its factorization.

12131963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 26.

The square root of 12131963 is about 3483.0967543265. The cubic root of 12131963 is about 229.7790126930.

The spelling of 12131963 in words is "twelve million, one hundred thirty-one thousand, nine hundred sixty-three".