12299533 has 4 divisors (see below), whose sum is σ = 12437820. Its totient is φ = 12161248.

The previous prime is 12299531. The next prime is 12299557. The reversal of 12299533 is 33599221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33599221 = 2551 ⋅13171.

It can be written as a sum of positive squares in 2 ways, for example, as 2301289 + 9998244 = 1517^2 + 3162^2 .

It is a cyclic number.

It is not a de Polignac number, because 12299533 - 2¹ = 12299531 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 (12299531) 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, 69010 + ... + 69187.

It is an arithmetic number, because the mean of its divisors is an integer number (3109455).

Almost surely, 2^12299533 is an apocalyptic number.

It is an amenable number.

12299533 is a deficient number, since it is larger than the sum of its proper divisors (138287).

12299533 is an equidigital number, since it uses as much as digits as its factorization.

12299533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138286.

The product of its digits is 14580, while the sum is 34.

The square root of 12299533 is about 3507.0690041686. The cubic root of 12299533 is about 230.8321025304.

The spelling of 12299533 in words is "twelve million, two hundred ninety-nine thousand, five hundred thirty-three".