11812963 has 2 divisors, whose sum is σ = 11812964. Its totient is φ = 11812962.

The previous prime is 11812939. The next prime is 11812981. The reversal of 11812963 is 36921811.

It is a strong prime.

It is an emirp because it is prime and its reverse (36921811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11812963 is a prime.

It is not a weakly prime, because it can be changed into another prime (11812903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5906481 + 5906482.

It is an arithmetic number, because the mean of its divisors is an integer number (5906482).

Almost surely, 2^11812963 is an apocalyptic number.

11812963 is a deficient number, since it is larger than the sum of its proper divisors (1).

11812963 is an equidigital number, since it uses as much as digits as its factorization.

11812963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 31.

The square root of 11812963 is about 3436.9991271457. Note that the first 3 decimals coincide. The cubic root of 11812963 is about 227.7471483877.

The spelling of 11812963 in words is "eleven million, eight hundred twelve thousand, nine hundred sixty-three".