1275413 has 6 divisors (see below), whose sum is σ = 1346454. Its totient is φ = 1207944.

The previous prime is 1275401. The next prime is 1275437. The reversal of 1275413 is 3145721.

It can be written as a sum of positive squares in only one way, i.e., 1214404 + 61009 = 1102^2 + 247^2 .

It is not a de Polignac number, because 1275413 - 2⁶ = 1275349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1175413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1406 + ... + 2127.

It is an arithmetic number, because the mean of its divisors is an integer number (224409).

2^1275413 is an apocalyptic number.

It is an amenable number.

1275413 is a deficient number, since it is larger than the sum of its proper divisors (71041).

1275413 is an equidigital number, since it uses as much as digits as its factorization.

1275413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571 (or 3552 counting only the distinct ones).

The product of its digits is 840, while the sum is 23.

The square root of 1275413 is about 1129.3418437302. The cubic root of 1275413 is about 108.4468511592.

The spelling of 1275413 in words is "one million, two hundred seventy-five thousand, four hundred thirteen".