1308829 has 2 divisors, whose sum is σ = 1308830. Its totient is φ = 1308828.

The previous prime is 1308803. The next prime is 1308841. The reversal of 1308829 is 9288031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1232100 + 76729 = 1110^2 + 277^2 .

It is a cyclic number.

It is not a de Polignac number, because 1308829 - 2¹⁹ = 784541 is a prime.

1308829 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1308829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1308869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 654414 + 654415.

It is an arithmetic number, because the mean of its divisors is an integer number (654415).

2^1308829 is an apocalyptic number.

It is an amenable number.

1308829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1308829 is an equidigital number, since it uses as much as digits as its factorization.

1308829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1308829 is about 1144.0406461311. The cubic root of 1308829 is about 109.3858056263.

The spelling of 1308829 in words is "one million, three hundred eight thousand, eight hundred twenty-nine".