1345879 has 2 divisors, whose sum is σ = 1345880. Its totient is φ = 1345878.

The previous prime is 1345859. The next prime is 1345889. The reversal of 1345879 is 9785431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1345879 is a prime.

It is a super-2 number, since 2×1345879² = 3622780565282, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672939 + 672940.

It is an arithmetic number, because the mean of its divisors is an integer number (672940).

2^1345879 is an apocalyptic number.

1345879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345879 is an equidigital number, since it uses as much as digits as its factorization.

1345879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 1345879 is about 1160.1202523877. The cubic root of 1345879 is about 110.4083718622.

The spelling of 1345879 in words is "one million, three hundred forty-five thousand, eight hundred seventy-nine".