1299713 has 4 divisors (see below), whose sum is σ = 1305348. Its totient is φ = 1294080.

The previous prime is 1299709. The next prime is 1299721. The reversal of 1299713 is 3179921.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1129969 + 169744 = 1063^2 + 412^2 .

It is a cyclic number.

It is not a de Polignac number, because 1299713 - 2² = 1299709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 1299713.

It is not an unprimeable number, because it can be changed into a prime (1299743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2456 + ... + 2937.

It is an arithmetic number, because the mean of its divisors is an integer number (326337).

2^1299713 is an apocalyptic number.

It is an amenable number.

1299713 is a deficient number, since it is larger than the sum of its proper divisors (5635).

1299713 is an equidigital number, since it uses as much as digits as its factorization.

1299713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5634.

The product of its digits is 3402, while the sum is 32.

The square root of 1299713 is about 1140.0495603262. The cubic root of 1299713 is about 109.1312561828.

The spelling of 1299713 in words is "one million, two hundred ninety-nine thousand, seven hundred thirteen".