1275706 has 8 divisors (see below), whose sum is σ = 1923264. Its totient is φ = 634620.

The previous prime is 1275691. The next prime is 1275707. The reversal of 1275706 is 6075721.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1275707) 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 in 3 ways as a sum of consecutive naturals, for example, 1090 + ... + 1933.

It is an arithmetic number, because the mean of its divisors is an integer number (240408).

2^1275706 is an apocalyptic number.

1275706 is a deficient number, since it is larger than the sum of its proper divisors (647558).

1275706 is a wasteful number, since it uses less digits than its factorization.

1275706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3236.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 1275706 is about 1129.4715578535. The cubic root of 1275706 is about 108.4551550039.

The spelling of 1275706 in words is "one million, two hundred seventy-five thousand, seven hundred six".