1269413 has 2 divisors, whose sum is σ = 1269414. Its totient is φ = 1269412.

The previous prime is 1269391. The next prime is 1269427. The reversal of 1269413 is 3149621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 917764 + 351649 = 958^2 + 593^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1269413 is a prime.

It is a super-2 number, since 2×1269413² = 3222818729138, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1269493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634706 + 634707.

It is an arithmetic number, because the mean of its divisors is an integer number (634707).

2^1269413 is an apocalyptic number.

It is an amenable number.

1269413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1269413 is an equidigital number, since it uses as much as digits as its factorization.

1269413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

The square root of 1269413 is about 1126.6822977219. The cubic root of 1269413 is about 108.2765261670.

The spelling of 1269413 in words is "one million, two hundred sixty-nine thousand, four hundred thirteen".