1276879 has 4 divisors (see below), whose sum is σ = 1279576. Its totient is φ = 1274184.

The previous prime is 1276871. The next prime is 1276889. The reversal of 1276879 is 9786721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1276879 - 2³ = 1276871 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1276871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429 + ... + 1654.

It is an arithmetic number, because the mean of its divisors is an integer number (319894).

2^1276879 is an apocalyptic number.

1276879 is a deficient number, since it is larger than the sum of its proper divisors (2697).

1276879 is an equidigital number, since it uses as much as digits as its factorization.

1276879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696.

The product of its digits is 42336, while the sum is 40.

The square root of 1276879 is about 1129.9907079264. The cubic root of 1276879 is about 108.4883859952.

The spelling of 1276879 in words is "one million, two hundred seventy-six thousand, eight hundred seventy-nine".