12820341 has 8 divisors (see below), whose sum is σ = 17113824. Its totient is φ = 8536880.

The previous prime is 12820337. The next prime is 12820343. The reversal of 12820341 is 14302821.

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

It is a cyclic number.

It is not a de Polignac number, because 12820341 - 2² = 12820337 is a prime.

It is a super-2 number, since 2×12820341² = 328722286712562, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12820343) 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, 1315 + ... + 5231.

It is an arithmetic number, because the mean of its divisors is an integer number (2139228).

Almost surely, 2^12820341 is an apocalyptic number.

It is an amenable number.

12820341 is a deficient number, since it is larger than the sum of its proper divisors (4293483).

12820341 is a wasteful number, since it uses less digits than its factorization.

12820341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5011.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 12820341 is about 3580.5503766879. The cubic root of 12820341 is about 234.0452648208.

The spelling of 12820341 in words is "twelve million, eight hundred twenty thousand, three hundred forty-one".