11964963 has 4 divisors (see below), whose sum is σ = 15953288. Its totient is φ = 7976640.

The previous prime is 11964959. The next prime is 11964973. The reversal of 11964963 is 36946911.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11964963 - 2² = 11964959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11964913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1994158 + ... + 1994163.

It is an arithmetic number, because the mean of its divisors is an integer number (3988322).

Almost surely, 2^11964963 is an apocalyptic number.

11964963 is a deficient number, since it is larger than the sum of its proper divisors (3988325).

11964963 is an equidigital number, since it uses as much as digits as its factorization.

11964963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3988324.

The product of its digits is 34992, while the sum is 39.

The square root of 11964963 is about 3459.0407629862. The cubic root of 11964963 is about 228.7198126727.

The spelling of 11964963 in words is "eleven million, nine hundred sixty-four thousand, nine hundred sixty-three".