12133641 has 16 divisors (see below), whose sum is σ = 17487680. Its totient is φ = 7439040.

The previous prime is 12133621. The next prime is 12133643. The reversal of 12133641 is 14633121.

It is not a de Polignac number, because 12133641 - 2⁶ = 12133577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12133643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16050 + ... + 16788.

It is an arithmetic number, because the mean of its divisors is an integer number (1092980).

Almost surely, 2^12133641 is an apocalyptic number.

It is an amenable number.

12133641 is a deficient number, since it is larger than the sum of its proper divisors (5354039).

12133641 is a wasteful number, since it uses less digits than its factorization.

12133641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176.

The product of its digits is 432, while the sum is 21.

The square root of 12133641 is about 3483.3376236018. The cubic root of 12133641 is about 229.7896059610.

Adding to 12133641 its reverse (14633121), we get a palindrome (26766762).

The spelling of 12133641 in words is "twelve million, one hundred thirty-three thousand, six hundred forty-one".