1270513 has 2 divisors, whose sum is σ = 1270514. Its totient is φ = 1270512.

The previous prime is 1270499. The next prime is 1270531. The reversal of 1270513 is 3150721.

Together with next prime (1270531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1227664 + 42849 = 1108^2 + 207^2 .

It is a cyclic number.

It is not a de Polignac number, because 1270513 - 2⁹ = 1270001 is a prime.

It is a super-2 number, since 2×1270513² = 3228406566338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1270573) 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 as a sum of consecutive naturals, namely, 635256 + 635257.

It is an arithmetic number, because the mean of its divisors is an integer number (635257).

2^1270513 is an apocalyptic number.

It is an amenable number.

1270513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1270513 is an equidigital number, since it uses as much as digits as its factorization.

1270513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 1270513 is about 1127.1703509231. The cubic root of 1270513 is about 108.3077925325.

The spelling of 1270513 in words is "one million, two hundred seventy thousand, five hundred thirteen".