1308933 has 8 divisors (see below), whose sum is σ = 1939200. Its totient is φ = 872604.

The previous prime is 1308919. The next prime is 1308943. The reversal of 1308933 is 3398031.

It is not a de Polignac number, because 1308933 - 2⁴ = 1308917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 48479 = 1308933 / (1 + 3 + 0 + 8 + 9 + 3 + 3).

It is a junction number, because it is equal to n+sod(n) for n = 1308897 and 1308906.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24213 + ... + 24266.

It is an arithmetic number, because the mean of its divisors is an integer number (242400).

2^1308933 is an apocalyptic number.

It is an amenable number.

1308933 is a deficient number, since it is larger than the sum of its proper divisors (630267).

1308933 is an equidigital number, since it uses as much as digits as its factorization.

1308933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48488 (or 48482 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1308933 is about 1144.0860981587. The cubic root of 1308933 is about 109.3887028274.

The spelling of 1308933 in words is "one million, three hundred eight thousand, nine hundred thirty-three".