12133554 has 16 divisors (see below), whose sum is σ = 24318048. Its totient is φ = 4036032.

The previous prime is 12133547. The next prime is 12133577. The reversal of 12133554 is 45533121.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1434 + ... + 5130.

It is an arithmetic number, because the mean of its divisors is an integer number (1519878).

Almost surely, 2^12133554 is an apocalyptic number.

12133554 is an abundant number, since it is smaller than the sum of its proper divisors (12184494).

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

12133554 is a wasteful number, since it uses less digits than its factorization.

12133554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4249.

The product of its digits is 1800, while the sum is 24.

The square root of 12133554 is about 3483.3251355565. The cubic root of 12133554 is about 229.7890567512.

Adding to 12133554 its reverse (45533121), we get a palindrome (57666675).

The spelling of 12133554 in words is "twelve million, one hundred thirty-three thousand, five hundred fifty-four".