1299583 has 2 divisors, whose sum is σ = 1299584. Its totient is φ = 1299582.

The previous prime is 1299553. The next prime is 1299601. The reversal of 1299583 is 3859921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1299583 - 2¹³ = 1291391 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1299533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649791 + 649792.

It is an arithmetic number, because the mean of its divisors is an integer number (649792).

2^1299583 is an apocalyptic number.

1299583 is a deficient number, since it is larger than the sum of its proper divisors (1).

1299583 is an equidigital number, since it uses as much as digits as its factorization.

1299583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 37.

The square root of 1299583 is about 1139.9925438353. The cubic root of 1299583 is about 109.1276175496.

The spelling of 1299583 in words is "one million, two hundred ninety-nine thousand, five hundred eighty-three".