11463643 has 4 divisors (see below), whose sum is σ = 11484360. Its totient is φ = 11442928.

The previous prime is 11463619. The next prime is 11463649. The reversal of 11463643 is 34636411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11463643 is a prime.

It is a super-2 number, since 2×11463643² = 262830221662898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11463649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9505 + ... + 10642.

It is an arithmetic number, because the mean of its divisors is an integer number (2871090).

Almost surely, 2^11463643 is an apocalyptic number.

11463643 is a deficient number, since it is larger than the sum of its proper divisors (20717).

11463643 is an equidigital number, since it uses as much as digits as its factorization.

11463643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20716.

The product of its digits is 5184, while the sum is 28.

The square root of 11463643 is about 3385.8002008388. The cubic root of 11463643 is about 225.4797532801.

The spelling of 11463643 in words is "eleven million, four hundred sixty-three thousand, six hundred forty-three".