1299393 has 12 divisors (see below), whose sum is σ = 1886820. Its totient is φ = 861696.

The previous prime is 1299379. The next prime is 1299437. The reversal of 1299393 is 3939921.

It can be written as a sum of positive squares in 2 ways, for example, as 898704 + 400689 = 948^2 + 633^2 .

It is not a de Polignac number, because 1299393 - 2⁴ = 1299377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1299323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2973 + ... + 3381.

It is an arithmetic number, because the mean of its divisors is an integer number (157235).

2^1299393 is an apocalyptic number.

It is an amenable number.

1299393 is a deficient number, since it is larger than the sum of its proper divisors (587427).

1299393 is a wasteful number, since it uses less digits than its factorization.

1299393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 765 counting only the distinct ones).

The product of its digits is 13122, while the sum is 36.

The square root of 1299393 is about 1139.9092069108. The cubic root of 1299393 is about 109.1222991109.

The spelling of 1299393 in words is "one million, two hundred ninety-nine thousand, three hundred ninety-three".