12641933 has 4 divisors (see below), whose sum is σ = 12650880. Its totient is φ = 12632988.

The previous prime is 12641917. The next prime is 12641963. The reversal of 12641933 is 33914621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12641933 - 2⁴ = 12641917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12641896 and 12641905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12641963) 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, 1835 + ... + 5352.

It is an arithmetic number, because the mean of its divisors is an integer number (3162720).

Almost surely, 2^12641933 is an apocalyptic number.

It is an amenable number.

12641933 is a deficient number, since it is larger than the sum of its proper divisors (8947).

12641933 is an equidigital number, since it uses as much as digits as its factorization.

12641933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8946.

The product of its digits is 3888, while the sum is 29.

The square root of 12641933 is about 3555.5496058978. The cubic root of 12641933 is about 232.9545307210.

The spelling of 12641933 in words is "twelve million, six hundred forty-one thousand, nine hundred thirty-three".