1308871 has 4 divisors (see below), whose sum is σ = 1314544. Its totient is φ = 1303200.

The previous prime is 1308869. The next prime is 1308883. The reversal of 1308871 is 1788031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1308871 - 2¹ = 1308869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1308841) 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 in 3 ways as a sum of consecutive naturals, for example, 2475 + ... + 2956.

It is an arithmetic number, because the mean of its divisors is an integer number (328636).

2^1308871 is an apocalyptic number.

1308871 is a deficient number, since it is larger than the sum of its proper divisors (5673).

1308871 is an equidigital number, since it uses as much as digits as its factorization.

1308871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1308871 is about 1144.0590019750. The cubic root of 1308871 is about 109.3869756683.

The spelling of 1308871 in words is "one million, three hundred eight thousand, eight hundred seventy-one".