13533963 has 16 divisors (see below), whose sum is σ = 18416160. Its totient is φ = 8839424.

The previous prime is 13533929. The next prime is 13533973. The reversal of 13533963 is 36933531.

It is a cyclic number.

It is not a de Polignac number, because 13533963 - 2⁹ = 13533451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13533973) 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 15 ways as a sum of consecutive naturals, for example, 46045 + ... + 46337.

It is an arithmetic number, because the mean of its divisors is an integer number (1151010).

Almost surely, 2^13533963 is an apocalyptic number.

13533963 is a deficient number, since it is larger than the sum of its proper divisors (4882197).

13533963 is a wasteful number, since it uses less digits than its factorization.

13533963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558.

The product of its digits is 21870, while the sum is 33.

The square root of 13533963 is about 3678.8534898797. The cubic root of 13533963 is about 238.3096679954.

The spelling of 13533963 in words is "thirteen million, five hundred thirty-three thousand, nine hundred sixty-three".