13964463 has 24 divisors (see below), whose sum is σ = 21582288. Its totient is φ = 8669952.

The previous prime is 13964453. The next prime is 13964491. The reversal of 13964463 is 36446931.

13964463 is a `hidden beast` number, since 1 + 3 + 9 + 644 + 6 + 3 = 666.

It is not a de Polignac number, because 13964463 - 2¹² = 13960367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13964413) 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 23 ways as a sum of consecutive naturals, for example, 15945 + ... + 16797.

It is an arithmetic number, because the mean of its divisors is an integer number (899262).

Almost surely, 2^13964463 is an apocalyptic number.

13964463 is a deficient number, since it is larger than the sum of its proper divisors (7617825).

13964463 is a wasteful number, since it uses less digits than its factorization.

13964463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983 (or 980 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 13964463 is about 3736.9055380087. The cubic root of 13964463 is about 240.8101268998.

The spelling of 13964463 in words is "thirteen million, nine hundred sixty-four thousand, four hundred sixty-three".