12733443 has 14 divisors (see below), whose sum is σ = 19092524. Its totient is φ = 8488476.

The previous prime is 12733433. The next prime is 12733447. The reversal of 12733443 is 34433721.

It is not a de Polignac number, because 12733443 - 2¹⁸ = 12471299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12733447) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 8005 + ... + 9462.

Almost surely, 2^12733443 is an apocalyptic number.

12733443 is a deficient number, since it is larger than the sum of its proper divisors (6359081).

12733443 is an frugal number, since it uses more digits than its factorization.

12733443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17485 (or 17470 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 12733443 is about 3568.3950173713. The cubic root of 12733443 is about 233.5152687614.

The spelling of 12733443 in words is "twelve million, seven hundred thirty-three thousand, four hundred forty-three".