1308861 has 12 divisors (see below), whose sum is σ = 1973088. Its totient is φ = 834504.

The previous prime is 1308841. The next prime is 1308863. The reversal of 1308861 is 1688031.

It is not a de Polignac number, because 1308861 - 2⁵ = 1308829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1308863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2955 + ... + 3368.

It is an arithmetic number, because the mean of its divisors is an integer number (164424).

2^1308861 is an apocalyptic number.

It is an amenable number.

1308861 is a deficient number, since it is larger than the sum of its proper divisors (664227).

1308861 is a wasteful number, since it uses less digits than its factorization.

1308861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6352 (or 6349 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1308861 is about 1144.0546315627. The cubic root of 1308861 is about 109.3866970891.

The spelling of 1308861 in words is "one million, three hundred eight thousand, eight hundred sixty-one".