1269013 has 2 divisors, whose sum is σ = 1269014. Its totient is φ = 1269012.

The previous prime is 1269007. The next prime is 1269017. The reversal of 1269013 is 3109621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1162084 + 106929 = 1078^2 + 327^2 .

It is an emirp because it is prime and its reverse (3109621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1269013 is a prime.

It is a super-2 number, since 2×1269013² = 3220787988338, which contains 22 as substring.

1269013 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1269017) 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, 634506 + 634507.

It is an arithmetic number, because the mean of its divisors is an integer number (634507).

2^1269013 is an apocalyptic number.

It is an amenable number.

1269013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1269013 is an equidigital number, since it uses as much as digits as its factorization.

1269013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1269013 is about 1126.5047714058. The cubic root of 1269013 is about 108.2651521014.

The spelling of 1269013 in words is "one million, two hundred sixty-nine thousand, thirteen".