1276923 has 4 divisors (see below), whose sum is σ = 1702568. Its totient is φ = 851280.

The previous prime is 1276903. The next prime is 1276927. The reversal of 1276923 is 3296721.

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

It is not a de Polignac number, because 1276923 - 2¹⁰ = 1275899 is a prime.

It is a D-number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1276927) 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, 212818 + ... + 212823.

It is an arithmetic number, because the mean of its divisors is an integer number (425642).

2^1276923 is an apocalyptic number.

1276923 is a deficient number, since it is larger than the sum of its proper divisors (425645).

1276923 is an equidigital number, since it uses as much as digits as its factorization.

1276923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425644.

The product of its digits is 4536, while the sum is 30.

The square root of 1276923 is about 1130.0101769453. The cubic root of 1276923 is about 108.4896321154.

The spelling of 1276923 in words is "one million, two hundred seventy-six thousand, nine hundred twenty-three".