12533554 has 16 divisors (see below), whose sum is σ = 20988000. Its totient is φ = 5564160.

The previous prime is 12533531. The next prime is 12533561. The reversal of 12533554 is 45533521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5679 + ... + 7570.

It is an arithmetic number, because the mean of its divisors is an integer number (1311750).

Almost surely, 2^12533554 is an apocalyptic number.

12533554 is a deficient number, since it is larger than the sum of its proper divisors (8454446).

12533554 is a wasteful number, since it uses less digits than its factorization.

12533554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13305.

The product of its digits is 9000, while the sum is 28.

The square root of 12533554 is about 3540.2759779430. The cubic root of 12533554 is about 232.2869146456.

The spelling of 12533554 in words is "twelve million, five hundred thirty-three thousand, five hundred fifty-four".