13983587 has 2 divisors, whose sum is σ = 13983588. Its totient is φ = 13983586.

The previous prime is 13983569. The next prime is 13983647. The reversal of 13983587 is 78538931.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13983587 - 2⁶ = 13983523 is a prime.

It is not a weakly prime, because it can be changed into another prime (13983527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6991793 + 6991794.

It is an arithmetic number, because the mean of its divisors is an integer number (6991794).

Almost surely, 2^13983587 is an apocalyptic number.

13983587 is a deficient number, since it is larger than the sum of its proper divisors (1).

13983587 is an equidigital number, since it uses as much as digits as its factorization.

13983587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 13983587 is about 3739.4634641884. The cubic root of 13983587 is about 240.9200046708.

The spelling of 13983587 in words is "thirteen million, nine hundred eighty-three thousand, five hundred eighty-seven".