13986885 has 32 divisors (see below), whose sum is σ = 24680448. Its totient is φ = 6707520.

The previous prime is 13986823. The next prime is 13986887. The reversal of 13986885 is 58868931.

13986885 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 13986885 - 2¹⁰ = 13985861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13986887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16584 + ... + 17406.

It is an arithmetic number, because the mean of its divisors is an integer number (771264).

Almost surely, 2^13986885 is an apocalyptic number.

13986885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13986885 is a deficient number, since it is larger than the sum of its proper divisors (10693563).

13986885 is a wasteful number, since it uses less digits than its factorization.

13986885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945.

The product of its digits is 414720, while the sum is 48.

The square root of 13986885 is about 3739.9044105431. The cubic root of 13986885 is about 240.9389433432.

The spelling of 13986885 in words is "thirteen million, nine hundred eighty-six thousand, eight hundred eighty-five".