1319893 has 2 divisors, whose sum is σ = 1319894. Its totient is φ = 1319892.

The previous prime is 1319869. The next prime is 1319909. The reversal of 1319893 is 3989131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1258884 + 61009 = 1122^2 + 247^2 .

It is a cyclic number.

It is not a de Polignac number, because 1319893 - 2⁵ = 1319861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1319803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659946 + 659947.

It is an arithmetic number, because the mean of its divisors is an integer number (659947).

2^1319893 is an apocalyptic number.

It is an amenable number.

1319893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1319893 is an equidigital number, since it uses as much as digits as its factorization.

1319893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 34.

The square root of 1319893 is about 1148.8659625909. The cubic root of 1319893 is about 109.6931669569.

The spelling of 1319893 in words is "one million, three hundred nineteen thousand, eight hundred ninety-three".