12345001 has 2 divisors, whose sum is σ = 12345002. Its totient is φ = 12345000.

The previous prime is 12344989. The next prime is 12345017. The reversal of 12345001 is 10054321.

12345001 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (12345017) can be obtained adding 12345001 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11909401 + 435600 = 3451^2 + 660^2 .

It is an emirp because it is prime and its reverse (10054321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12345001 - 2²¹ = 10247849 is a prime.

It is not a weakly prime, because it can be changed into another prime (12345071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6172500 + 6172501.

It is an arithmetic number, because the mean of its divisors is an integer number (6172501).

Almost surely, 2^12345001 is an apocalyptic number.

It is an amenable number.

12345001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12345001 is an equidigital number, since it uses as much as digits as its factorization.

12345001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12345001 is about 3513.5453604586. The cubic root of 12345001 is about 231.1161937386.

Adding to 12345001 its reverse (10054321), we get a palindrome (22399322).

The spelling of 12345001 in words is "twelve million, three hundred forty-five thousand, one".