1013899 has 2 divisors, whose sum is σ = 1013900. Its totient is φ = 1013898.

The previous prime is 1013893. The next prime is 1013921. The reversal of 1013899 is 9983101.

It is a weak prime.

It is an emirp because it is prime and its reverse (9983101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1013899 - 2³ = 1013891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1013899.

It is not a weakly prime, because it can be changed into another prime (1013891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506949 + 506950.

It is an arithmetic number, because the mean of its divisors is an integer number (506950).

2^1013899 is an apocalyptic number.

1013899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013899 is an equidigital number, since it uses as much as digits as its factorization.

1013899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 1013899 is about 1006.9255185961. The cubic root of 1013899 is about 100.4611699534.

The spelling of 1013899 in words is "one million, thirteen thousand, eight hundred ninety-nine".