13945768 has 8 divisors (see below), whose sum is σ = 26148330. Its totient is φ = 6972880.

The previous prime is 13945747. The next prime is 13945769. The reversal of 13945768 is 86754931.

13945768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10640644 + 3305124 = 3262^2 + 1818^2 .

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

It is a super-3 number, since 3×13945768³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13945769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 871603 + ... + 871618.

Almost surely, 2^13945768 is an apocalyptic number.

It is an amenable number.

13945768 is a deficient number, since it is larger than the sum of its proper divisors (12202562).

13945768 is a wasteful number, since it uses less digits than its factorization.

13945768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743227 (or 1743223 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 13945768 is about 3734.4032990560. The cubic root of 13945768 is about 240.7026169578.

The spelling of 13945768 in words is "thirteen million, nine hundred forty-five thousand, seven hundred sixty-eight".