13973768 has 16 divisors (see below), whose sum is σ = 26695980. Its totient is φ = 6854848.

The previous prime is 13973767. The next prime is 13973789. The reversal of 13973768 is 86737931.

It can be written as a sum of positive squares in 2 ways, for example, as 11546404 + 2427364 = 3398^2 + 1558^2 .

It is not an unprimeable number, because it can be changed into a prime (13973761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16055 + ... + 16902.

Almost surely, 2^13973768 is an apocalyptic number.

It is an amenable number.

13973768 is a deficient number, since it is larger than the sum of its proper divisors (12722212).

13973768 is a wasteful number, since it uses less digits than its factorization.

13973768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33016 (or 33012 counting only the distinct ones).

The product of its digits is 190512, while the sum is 44.

The square root of 13973768 is about 3738.1503447561. The cubic root of 13973768 is about 240.8636017027.

It can be divided in two parts, 13973 and 768, that added together give a palindrome (14741).

The spelling of 13973768 in words is "thirteen million, nine hundred seventy-three thousand, seven hundred sixty-eight".