1264699 has 2 divisors, whose sum is σ = 1264700. Its totient is φ = 1264698.

The previous prime is 1264687. The next prime is 1264733. The reversal of 1264699 is 9964621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1264699 - 2⁵ = 1264667 is a prime.

It is not a weakly prime, because it can be changed into another prime (1264649) 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, 632349 + 632350.

It is an arithmetic number, because the mean of its divisors is an integer number (632350).

2^1264699 is an apocalyptic number.

1264699 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264699 is an equidigital number, since it uses as much as digits as its factorization.

1264699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 1264699 is about 1124.5883691378. The cubic root of 1264699 is about 108.1423306333.

The spelling of 1264699 in words is "one million, two hundred sixty-four thousand, six hundred ninety-nine".