13968963 has 16 divisors (see below), whose sum is σ = 20899840. Its totient is φ = 9220392.

The previous prime is 13968961. The next prime is 13968989. The reversal of 13968963 is 36986931.

It is not a de Polignac number, because 13968963 - 2¹ = 13968961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13968961) 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, 270 + ... + 5292.

It is an arithmetic number, because the mean of its divisors is an integer number (1306240).

Almost surely, 2^13968963 is an apocalyptic number.

13968963 is a deficient number, since it is larger than the sum of its proper divisors (6930877).

13968963 is a wasteful number, since it uses less digits than its factorization.

13968963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5135 (or 5129 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 13968963 is about 3737.5075919655. The cubic root of 13968963 is about 240.8359908658.

The spelling of 13968963 in words is "thirteen million, nine hundred sixty-eight thousand, nine hundred sixty-three".