1276634 has 4 divisors (see below), whose sum is σ = 1914954. Its totient is φ = 638316.

The previous prime is 1276631. The next prime is 1276637. The reversal of 1276634 is 4366721.

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

It is an interprime number because it is at equal distance from previous prime (1276631) and next prime (1276637).

It can be written as a sum of positive squares in only one way, i.e., 1216609 + 60025 = 1103^2 + 245^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1276597 and 1276606.

It is not an unprimeable number, because it can be changed into a prime (1276631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 319157 + ... + 319160.

2^1276634 is an apocalyptic number.

1276634 is a deficient number, since it is larger than the sum of its proper divisors (638320).

1276634 is an equidigital number, since it uses as much as digits as its factorization.

1276634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638319.

The product of its digits is 6048, while the sum is 29.

The square root of 1276634 is about 1129.8822947546. The cubic root of 1276634 is about 108.4814468478.

The spelling of 1276634 in words is "one million, two hundred seventy-six thousand, six hundred thirty-four".