13968946 has 8 divisors (see below), whose sum is σ = 21464604. Its totient is φ = 6814080.

The previous prime is 13968919. The next prime is 13968949. The reversal of 13968946 is 64986931.

It can be written as a sum of positive squares in 2 ways, for example, as 12680721 + 1288225 = 3561^2 + 1135^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13968896 and 13968905.

It is not an unprimeable number, because it can be changed into a prime (13968949) 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 3 ways as a sum of consecutive naturals, for example, 85095 + ... + 85258.

Almost surely, 2^13968946 is an apocalyptic number.

13968946 is a deficient number, since it is larger than the sum of its proper divisors (7495658).

13968946 is a wasteful number, since it uses less digits than its factorization.

13968946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170396.

The product of its digits is 279936, while the sum is 46.

The square root of 13968946 is about 3737.5053177220. The cubic root of 13968946 is about 240.8358931680.

The spelling of 13968946 in words is "thirteen million, nine hundred sixty-eight thousand, nine hundred forty-six".