1275726 has 16 divisors (see below), whose sum is σ = 2581200. Its totient is φ = 420288.

The previous prime is 1275719. The next prime is 1275737. The reversal of 1275726 is 6275721.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 1275693 and 1275702.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 661 + ... + 1728.

It is an arithmetic number, because the mean of its divisors is an integer number (161325).

2^1275726 is an apocalyptic number.

1275726 is an abundant number, since it is smaller than the sum of its proper divisors (1305474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1275726 is a wasteful number, since it uses less digits than its factorization.

1275726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483.

The product of its digits is 5880, while the sum is 30.

The square root of 1275726 is about 1129.4804115167. The cubic root of 1275726 is about 108.4557217729.

The spelling of 1275726 in words is "one million, two hundred seventy-five thousand, seven hundred twenty-six".