13677993 has 12 divisors (see below), whose sum is σ = 22579648. Its totient is φ = 7815960.

The previous prime is 13677991. The next prime is 13678001. The reversal of 13677993 is 39977631.

13677993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13677993 - 2¹ = 13677991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13677991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108493 + ... + 108618.

Almost surely, 2^13677993 is an apocalyptic number.

It is an amenable number.

13677993 is a deficient number, since it is larger than the sum of its proper divisors (8901655).

13677993 is a wasteful number, since it uses less digits than its factorization.

13677993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217124 (or 217121 counting only the distinct ones).

The product of its digits is 214326, while the sum is 45.

The square root of 13677993 is about 3698.3770765026. The cubic root of 13677993 is about 239.1520597672.

The spelling of 13677993 in words is "thirteen million, six hundred seventy-seven thousand, nine hundred ninety-three".