1295839 has 2 divisors, whose sum is σ = 1295840. Its totient is φ = 1295838.

The previous prime is 1295813. The next prime is 1295849. The reversal of 1295839 is 9385921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1295839 - 2⁷ = 1295711 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1295798 and 1295807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1295809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647919 + 647920.

It is an arithmetic number, because the mean of its divisors is an integer number (647920).

2^1295839 is an apocalyptic number.

1295839 is a deficient number, since it is larger than the sum of its proper divisors (1).

1295839 is an equidigital number, since it uses as much as digits as its factorization.

1295839 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 1295839 is about 1138.3492434222. The cubic root of 1295839 is about 109.0227206235.

The spelling of 1295839 in words is "one million, two hundred ninety-five thousand, eight hundred thirty-nine".