12621133 has 8 divisors (see below), whose sum is σ = 14538752. Its totient is φ = 10732176.

The previous prime is 12621127. The next prime is 12621137. The reversal of 12621133 is 33112621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12621133 - 2¹⁷ = 12490061 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 12621133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12621137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6210 + ... + 7987.

It is an arithmetic number, because the mean of its divisors is an integer number (1817344).

Almost surely, 2^12621133 is an apocalyptic number.

It is an amenable number.

12621133 is a deficient number, since it is larger than the sum of its proper divisors (1917619).

12621133 is a wasteful number, since it uses less digits than its factorization.

12621133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14331.

The product of its digits is 216, while the sum is 19.

The square root of 12621133 is about 3552.6233968717. The cubic root of 12621133 is about 232.8266991595.

Adding to 12621133 its reverse (33112621), we get a palindrome (45733754).

The spelling of 12621133 in words is "twelve million, six hundred twenty-one thousand, one hundred thirty-three".