1306858 has 32 divisors (see below), whose sum is σ = 2505600. Its totient is φ = 499392.

The previous prime is 1306853. The next prime is 1306873. The reversal of 1306858 is 8586031.

It is not an unprimeable number, because it can be changed into a prime (1306853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68773 + ... + 68791.

It is an arithmetic number, because the mean of its divisors is an integer number (78300).

2^1306858 is an apocalyptic number.

1306858 is a deficient number, since it is larger than the sum of its proper divisors (1198742).

1306858 is an equidigital number, since it uses as much as digits as its factorization.

1306858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1306858 is about 1143.1789011349. The cubic root of 1306858 is about 109.3308690535.

The spelling of 1306858 in words is "one million, three hundred six thousand, eight hundred fifty-eight".