12533450 has 24 divisors (see below), whose sum is σ = 23406240. Its totient is φ = 4993200.

The previous prime is 12533447. The next prime is 12533461. The reversal of 12533450 is 5433521.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21665 + ... + 22235.

It is an arithmetic number, because the mean of its divisors is an integer number (975260).

Almost surely, 2^12533450 is an apocalyptic number.

12533450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12533450 is a deficient number, since it is larger than the sum of its proper divisors (10872790).

12533450 is a wasteful number, since it uses less digits than its factorization.

12533450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022 (or 1017 counting only the distinct ones).

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

The square root of 12533450 is about 3540.2612897920. The cubic root of 12533450 is about 232.2862721594.

Adding to 12533450 its reverse (5433521), we get a palindrome (17966971).

The spelling of 12533450 in words is "twelve million, five hundred thirty-three thousand, four hundred fifty".