1272826 has 8 divisors (see below), whose sum is σ = 1940724. Its totient is φ = 625920.

The previous prime is 1272811. The next prime is 1272827. The reversal of 1272826 is 6282721.

It can be written as a sum of positive squares in 2 ways, for example, as 1207801 + 65025 = 1099^2 + 255^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1272794 and 1272803.

It is not an unprimeable number, because it can be changed into a prime (1272827) 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, 5095 + ... + 5338.

2^1272826 is an apocalyptic number.

1272826 is a deficient number, since it is larger than the sum of its proper divisors (667898).

1272826 is a wasteful number, since it uses less digits than its factorization.

1272826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10496.

The product of its digits is 2688, while the sum is 28.

The square root of 1272826 is about 1128.1959049740. The cubic root of 1272826 is about 108.3734783498.

The spelling of 1272826 in words is "one million, two hundred seventy-two thousand, eight hundred twenty-six".