13788968 has 8 divisors (see below), whose sum is σ = 25854330. Its totient is φ = 6894480.

The previous prime is 13788967. The next prime is 13788979. The reversal of 13788968 is 86988731.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7628644 + 6160324 = 2762^2 + 2482^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (13788961) 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 as a sum of consecutive naturals, namely, 861803 + ... + 861818.

Almost surely, 2^13788968 is an apocalyptic number.

It is an amenable number.

13788968 is a deficient number, since it is larger than the sum of its proper divisors (12065362).

13788968 is a wasteful number, since it uses less digits than its factorization.

13788968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723627 (or 1723623 counting only the distinct ones).

The product of its digits is 580608, while the sum is 50.

The square root of 13788968 is about 3713.3499700405. The cubic root of 13788968 is about 239.7970970268.

The spelling of 13788968 in words is "thirteen million, seven hundred eighty-eight thousand, nine hundred sixty-eight".