1316233 has 4 divisors (see below), whose sum is σ = 1321168. Its totient is φ = 1311300.

The previous prime is 1316213. The next prime is 1316239. The reversal of 1316233 is 3326131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3326131 = 139 ⋅23929.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1316233 is a prime.

It is a Duffinian number.

1316233 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1316233.

It is not an unprimeable number, because it can be changed into a prime (1316239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2043 + ... + 2608.

It is an arithmetic number, because the mean of its divisors is an integer number (330292).

2^1316233 is an apocalyptic number.

It is an amenable number.

1316233 is a deficient number, since it is larger than the sum of its proper divisors (4935).

1316233 is an equidigital number, since it uses as much as digits as its factorization.

1316233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4934.

The product of its digits is 324, while the sum is 19.

The square root of 1316233 is about 1147.2719817027. The cubic root of 1316233 is about 109.5916817972.

The spelling of 1316233 in words is "one million, three hundred sixteen thousand, two hundred thirty-three".