12133601 has 4 divisors (see below), whose sum is σ = 12241092. Its totient is φ = 12026112.

The previous prime is 12133577. The next prime is 12133603. The reversal of 12133601 is 10633121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10633121 = 347 ⋅30643.

It can be written as a sum of positive squares in 2 ways, for example, as 5058001 + 7075600 = 2249^2 + 2660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12133601 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12133601.

It is not an unprimeable number, because it can be changed into a prime (12133603) 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 3 ways as a sum of consecutive naturals, for example, 53576 + ... + 53801.

It is an arithmetic number, because the mean of its divisors is an integer number (3060273).

Almost surely, 2^12133601 is an apocalyptic number.

It is an amenable number.

12133601 is a deficient number, since it is larger than the sum of its proper divisors (107491).

12133601 is a wasteful number, since it uses less digits than its factorization.

12133601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107490.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 12133601 is about 3483.3318819774. The cubic root of 12133601 is about 229.7893534511.

Adding to 12133601 its reverse (10633121), we get a palindrome (22766722).

The spelling of 12133601 in words is "twelve million, one hundred thirty-three thousand, six hundred one".