1308841 has 2 divisors, whose sum is σ = 1308842. Its totient is φ = 1308840.

The previous prime is 1308829. The next prime is 1308863. The reversal of 1308841 is 1488031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1058841 + 250000 = 1029^2 + 500^2 .

It is a cyclic number.

It is not a de Polignac number, because 1308841 - 2¹⁷ = 1177769 is a prime.

It is not a weakly prime, because it can be changed into another prime (1300841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 654420 + 654421.

It is an arithmetic number, because the mean of its divisors is an integer number (654421).

2^1308841 is an apocalyptic number.

It is an amenable number.

1308841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1308841 is an equidigital number, since it uses as much as digits as its factorization.

1308841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 1308841 is about 1144.0458906880. The cubic root of 1308841 is about 109.3861399266.

The spelling of 1308841 in words is "one million, three hundred eight thousand, eight hundred forty-one".