13140986 has 8 divisors (see below), whose sum is σ = 20034804. Its totient is φ = 6462720.

The previous prime is 13140977. The next prime is 13140997. The reversal of 13140986 is 68904131.

It is a happy number.

13140986 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 2 ways, for example, as 13140625 + 361 = 3625^2 + 19^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53735 + ... + 53978.

Almost surely, 2^13140986 is an apocalyptic number.

13140986 is a deficient number, since it is larger than the sum of its proper divisors (6893818).

13140986 is a wasteful number, since it uses less digits than its factorization.

13140986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107776.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 13140986 is about 3625.0497927615. The cubic root of 13140986 is about 235.9804278512.

The spelling of 13140986 in words is "thirteen million, one hundred forty thousand, nine hundred eighty-six".