13922768 has 10 divisors (see below), whose sum is σ = 26975394. Its totient is φ = 6961376.

The previous prime is 13922743. The next prime is 13922771. The reversal of 13922768 is 86722931.

It can be written as a sum of positive squares in only one way, i.e., 13162384 + 760384 = 3628^2 + 872^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 435071 + ... + 435102.

Almost surely, 2^13922768 is an apocalyptic number.

It is an amenable number.

13922768 is a deficient number, since it is larger than the sum of its proper divisors (13052626).

13922768 is an equidigital number, since it uses as much as digits as its factorization.

13922768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870181 (or 870175 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 13922768 is about 3731.3225537335. The cubic root of 13922768 is about 240.5702182144.

The spelling of 13922768 in words is "thirteen million, nine hundred twenty-two thousand, seven hundred sixty-eight".