1308963 has 16 divisors (see below), whose sum is σ = 1823360. Its totient is φ = 834624.

The previous prime is 1308943. The next prime is 1308977. The reversal of 1308963 is 3698031.

It is not a de Polignac number, because 1308963 - 2⁶ = 1308899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1308963.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1308943) 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, 9348 + ... + 9486.

It is an arithmetic number, because the mean of its divisors is an integer number (113960).

2^1308963 is an apocalyptic number.

1308963 is a deficient number, since it is larger than the sum of its proper divisors (514397).

1308963 is a wasteful number, since it uses less digits than its factorization.

1308963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1308963 is about 1144.0992089850. The cubic root of 1308963 is about 109.3895385300.

The spelling of 1308963 in words is "one million, three hundred eight thousand, nine hundred sixty-three".