12784241 has 4 divisors (see below), whose sum is σ = 12938352. Its totient is φ = 12630132.

The previous prime is 12784231. The next prime is 12784243. The reversal of 12784241 is 14248721.

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 an emirpimes, since its reverse is a distinct semiprime: 14248721 = 149 ⋅95629.

It is a cyclic number.

It is not a de Polignac number, because 12784241 - 2¹⁰ = 12783217 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 (12784243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76931 + ... + 77096.

It is an arithmetic number, because the mean of its divisors is an integer number (3234588).

Almost surely, 2^12784241 is an apocalyptic number.

It is an amenable number.

12784241 is a deficient number, since it is larger than the sum of its proper divisors (154111).

12784241 is an equidigital number, since it uses as much as digits as its factorization.

12784241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154110.

The product of its digits is 3584, while the sum is 29.

The square root of 12784241 is about 3575.5056984992. The cubic root of 12784241 is about 233.8253804755.

The spelling of 12784241 in words is "twelve million, seven hundred eighty-four thousand, two hundred forty-one".