186983013 has 16 divisors (see below), whose sum is σ = 285556736. Its totient is φ = 106611120.

The previous prime is 186982909. The next prime is 186983023. The reversal of 186983013 is 310389681.

It is not a de Polignac number, because 186983013 - 2¹⁸ = 186720869 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (186983023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108 + ... + 19338.

It is an arithmetic number, because the mean of its divisors is an integer number (17847296).

Almost surely, 2^186983013 is an apocalyptic number.

It is an amenable number.

186983013 is a deficient number, since it is larger than the sum of its proper divisors (98573723).

186983013 is a wasteful number, since it uses less digits than its factorization.

186983013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19704.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 186983013 is about 13674.1732108380. The cubic root of 186983013 is about 571.8305904897.

The spelling of 186983013 in words is "one hundred eighty-six million, nine hundred eighty-three thousand, thirteen".