1275707 has 2 divisors, whose sum is σ = 1275708. Its totient is φ = 1275706.

The previous prime is 1275691. The next prime is 1275709. The reversal of 1275707 is 7075721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1275707 - 2⁴ = 1275691 is a prime.

Together with 1275709, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1275707.

It is not a weakly prime, because it can be changed into another prime (1275709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637853 + 637854.

It is an arithmetic number, because the mean of its divisors is an integer number (637854).

2^1275707 is an apocalyptic number.

1275707 is a deficient number, since it is larger than the sum of its proper divisors (1).

1275707 is an equidigital number, since it uses as much as digits as its factorization.

1275707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3430, while the sum is 29.

The square root of 1275707 is about 1129.4720005383. The cubic root of 1275707 is about 108.4551833425.

The spelling of 1275707 in words is "one million, two hundred seventy-five thousand, seven hundred seven".