13830787 has 2 divisors, whose sum is σ = 13830788. Its totient is φ = 13830786.

The previous prime is 13830781. The next prime is 13830811. The reversal of 13830787 is 78703831.

It is a weak prime.

It is an emirp because it is prime and its reverse (78703831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13830787 - 2²³ = 5442179 is a prime.

It is not a weakly prime, because it can be changed into another prime (13830781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6915393 + 6915394.

It is an arithmetic number, because the mean of its divisors is an integer number (6915394).

Almost surely, 2^13830787 is an apocalyptic number.

13830787 is a deficient number, since it is larger than the sum of its proper divisors (1).

13830787 is an equidigital number, since it uses as much as digits as its factorization.

13830787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 13830787 is about 3718.9766065411. The cubic root of 13830787 is about 240.0392701944.

The spelling of 13830787 in words is "thirteen million, eight hundred thirty thousand, seven hundred eighty-seven".