12533954 has 12 divisors (see below), whose sum is σ = 19123746. Its totient is φ = 6160032.

The previous prime is 12533893. The next prime is 12533957. The reversal of 12533954 is 45933521.

It can be written as a sum of positive squares in 3 ways, for example, as 12075625 + 458329 = 3475^2 + 677^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12533954.

It is not an unprimeable number, because it can be changed into a prime (12533957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42632 + ... + 42924.

Almost surely, 2^12533954 is an apocalyptic number.

12533954 is a deficient number, since it is larger than the sum of its proper divisors (6589792).

12533954 is an frugal number, since it uses more digits than its factorization.

12533954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 368 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

The square root of 12533954 is about 3540.3324702632. The cubic root of 12533954 is about 232.2893857132.

The spelling of 12533954 in words is "twelve million, five hundred thirty-three thousand, nine hundred fifty-four".