1276349 has 4 divisors (see below), whose sum is σ = 1290780. Its totient is φ = 1261920.

The previous prime is 1276313. The next prime is 1276351. The reversal of 1276349 is 9436721.

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

It can be written as a sum of positive squares in 2 ways, for example, as 105625 + 1170724 = 325^2 + 1082^2 .

It is a cyclic number.

It is not a de Polignac number, because 1276349 - 2¹² = 1272253 is a prime.

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

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 (1276049) 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, 7082 + ... + 7259.

It is an arithmetic number, because the mean of its divisors is an integer number (322695).

2^1276349 is an apocalyptic number.

It is an amenable number.

1276349 is a deficient number, since it is larger than the sum of its proper divisors (14431).

1276349 is an equidigital number, since it uses as much as digits as its factorization.

1276349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14430.

The product of its digits is 9072, while the sum is 32.

The square root of 1276349 is about 1129.7561683832. The cubic root of 1276349 is about 108.4733736613.

The spelling of 1276349 in words is "one million, two hundred seventy-six thousand, three hundred forty-nine".