13771768 has 32 divisors (see below), whose sum is σ = 27585360. Its totient is φ = 6423040.

The previous prime is 13771763. The next prime is 13771801. The reversal of 13771768 is 86717731.

13771768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13771768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13771763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17430 + ... + 18202.

Almost surely, 2^13771768 is an apocalyptic number.

It is an amenable number.

13771768 is an abundant number, since it is smaller than the sum of its proper divisors (13813592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13771768 is a wasteful number, since it uses less digits than its factorization.

13771768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927 (or 923 counting only the distinct ones).

The product of its digits is 49392, while the sum is 40.

The square root of 13771768 is about 3711.0332792903. The cubic root of 13771768 is about 239.6973499876.

The spelling of 13771768 in words is "thirteen million, seven hundred seventy-one thousand, seven hundred sixty-eight".