1276679 has 2 divisors, whose sum is σ = 1276680. Its totient is φ = 1276678.

The previous prime is 1276657. The next prime is 1276687. The reversal of 1276679 is 9766721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1276679 - 2²⁰ = 228103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1276619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638339 + 638340.

It is an arithmetic number, because the mean of its divisors is an integer number (638340).

2^1276679 is an apocalyptic number.

1276679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1276679 is an equidigital number, since it uses as much as digits as its factorization.

1276679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 38.

The square root of 1276679 is about 1129.9022081579. The cubic root of 1276679 is about 108.4827214517.

The spelling of 1276679 in words is "one million, two hundred seventy-six thousand, six hundred seventy-nine".