12352001 has 4 divisors (see below), whose sum is σ = 12394452. Its totient is φ = 12309552.

The previous prime is 12351991. The next prime is 12352007. The reversal of 12352001 is 10025321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7507600 + 4844401 = 2740^2 + 2201^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12352001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12352007) 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, 20786 + ... + 21371.

It is an arithmetic number, because the mean of its divisors is an integer number (3098613).

Almost surely, 2^12352001 is an apocalyptic number.

It is an amenable number.

12352001 is a deficient number, since it is larger than the sum of its proper divisors (42451).

12352001 is an equidigital number, since it uses as much as digits as its factorization.

12352001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42450.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 12352001 is about 3514.5413641043. The cubic root of 12352001 is about 231.1598688442.

Adding to 12352001 its reverse (10025321), we get a palindrome (22377322).

The spelling of 12352001 in words is "twelve million, three hundred fifty-two thousand, one".