12133672 has 8 divisors (see below), whose sum is σ = 22750650. Its totient is φ = 6066832.

The previous prime is 12133651. The next prime is 12133691. The reversal of 12133672 is 27633121.

It can be written as a sum of positive squares in only one way, i.e., 10407076 + 1726596 = 3226^2 + 1314^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 758347 + ... + 758362.

Almost surely, 2^12133672 is an apocalyptic number.

It is an amenable number.

12133672 is a deficient number, since it is larger than the sum of its proper divisors (10616978).

12133672 is a wasteful number, since it uses less digits than its factorization.

12133672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516715 (or 1516711 counting only the distinct ones).

The product of its digits is 1512, while the sum is 25.

The square root of 12133672 is about 3483.3420733543. The cubic root of 12133672 is about 229.7898016558.

Adding to 12133672 its reverse (27633121), we get a palindrome (39766793).

The spelling of 12133672 in words is "twelve million, one hundred thirty-three thousand, six hundred seventy-two".