1992713 has 2 divisors, whose sum is σ = 1992714. Its totient is φ = 1992712.

The previous prime is 1992691. The next prime is 1992719. The reversal of 1992713 is 3172991.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1885129 + 107584 = 1373^2 + 328^2 .

It is an emirp because it is prime and its reverse (3172991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1992713 - 2²⁰ = 944137 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1992713.

It is not a weakly prime, because it can be changed into another prime (1992719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 996356 + 996357.

It is an arithmetic number, because the mean of its divisors is an integer number (996357).

2^1992713 is an apocalyptic number.

It is an amenable number.

1992713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1992713 is an equidigital number, since it uses as much as digits as its factorization.

1992713 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1992713 is about 1411.6348678040. The cubic root of 1992713 is about 125.8389013612.

The spelling of 1992713 in words is "one million, nine hundred ninety-two thousand, seven hundred thirteen".