12533028 has 24 divisors (see below), whose sum is σ = 29302560. Its totient is φ = 4169280.

The previous prime is 12533023. The next prime is 12533033. The reversal of 12533028 is 82033521.

It is an interprime number because it is at equal distance from previous prime (12533023) and next prime (12533033).

It is a junction number, because it is equal to n+sod(n) for n = 12532989 and 12533007.

It is not an unprimeable number, because it can be changed into a prime (12533023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9063 + ... + 10353.

It is an arithmetic number, because the mean of its divisors is an integer number (1220940).

Almost surely, 2^12533028 is an apocalyptic number.

It is an amenable number.

12533028 is an abundant number, since it is smaller than the sum of its proper divisors (16769532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12533028 is a wasteful number, since it uses less digits than its factorization.

12533028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107 (or 2105 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 12533028 is about 3540.2016891697. The cubic root of 12533028 is about 232.2836651117.

Adding to 12533028 its reverse (82033521), we get a palindrome (94566549).

It can be divided in two parts, 125 and 33028, that added together give a triangular number (33153 = T₂₅₇).

The spelling of 12533028 in words is "twelve million, five hundred thirty-three thousand, twenty-eight".