11404663 has 4 divisors (see below), whose sum is σ = 11413888. Its totient is φ = 11395440.

The previous prime is 11404661. The next prime is 11404667. The reversal of 11404663 is 36640411.

11404663 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 36640411 = 709 ⋅51679.

It is a cyclic number.

It is not a de Polignac number, because 11404663 - 2¹ = 11404661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11404661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2406 + ... + 5347.

It is an arithmetic number, because the mean of its divisors is an integer number (2853472).

Almost surely, 2^11404663 is an apocalyptic number.

11404663 is a deficient number, since it is larger than the sum of its proper divisors (9225).

11404663 is an equidigital number, since it uses as much as digits as its factorization.

11404663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9224.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 11404663 is about 3377.0790633327. The cubic root of 11404663 is about 225.0923933304.

The spelling of 11404663 in words is "eleven million, four hundred four thousand, six hundred sixty-three".