12533045 has 16 divisors (see below), whose sum is σ = 17936640. Its totient is φ = 8219904.

The previous prime is 12533041. The next prime is 12533051. The reversal of 12533045 is 54033521.

It is not a de Polignac number, because 12533045 - 2² = 12533041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 12533045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12533041) 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, 6980 + ... + 8589.

It is an arithmetic number, because the mean of its divisors is an integer number (1121040).

Almost surely, 2^12533045 is an apocalyptic number.

It is an amenable number.

12533045 is a deficient number, since it is larger than the sum of its proper divisors (5403595).

12533045 is a wasteful number, since it uses less digits than its factorization.

12533045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15604.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 12533045 is about 3540.2040901620. The cubic root of 12533045 is about 232.2837701360.

Adding to 12533045 its reverse (54033521), we get a palindrome (66566566).

The spelling of 12533045 in words is "twelve million, five hundred thirty-three thousand, forty-five".