12533016 has 64 divisors (see below), whose sum is σ = 32659200. Its totient is φ = 4005248.

The previous prime is 12533009. The next prime is 12533023. The reversal of 12533016 is 61033521.

It is an interprime number because it is at equal distance from previous prime (12533009) and next prime (12533023).

It is a junction number, because it is equal to n+sod(n) for n = 12532983 and 12533001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74965 + ... + 75131.

It is an arithmetic number, because the mean of its divisors is an integer number (510300).

Almost surely, 2^12533016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12533016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16329600).

12533016 is an abundant number, since it is smaller than the sum of its proper divisors (20126184).

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

12533016 is a wasteful number, since it uses less digits than its factorization.

12533016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 12533016 is about 3540.1999943506. The cubic root of 12533016 is about 232.2835909768.

Adding to 12533016 its reverse (61033521), we get a palindrome (73566537).

It can be divided in two parts, 12 and 533016, that added together give a triangular number (533028 = T₁₀₃₂).

The spelling of 12533016 in words is "twelve million, five hundred thirty-three thousand, sixteen".