1336729 has 2 divisors, whose sum is σ = 1336730. Its totient is φ = 1336728.

The previous prime is 1336663. The next prime is 1336747. The reversal of 1336729 is 9276331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1334025 + 2704 = 1155^2 + 52^2 .

It is a cyclic number.

It is not a de Polignac number, because 1336729 - 2¹¹ = 1334681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1336729.

It is not a weakly prime, because it can be changed into another prime (1336799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668364 + 668365.

It is an arithmetic number, because the mean of its divisors is an integer number (668365).

2^1336729 is an apocalyptic number.

It is an amenable number.

1336729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1336729 is an equidigital number, since it uses as much as digits as its factorization.

1336729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 31.

The square root of 1336729 is about 1156.1699702033. The cubic root of 1336729 is about 110.1575977921.

The spelling of 1336729 in words is "one million, three hundred thirty-six thousand, seven hundred twenty-nine".