12403201 has 6 divisors (see below), whose sum is σ = 12517890. Its totient is φ = 12289536.

The previous prime is 12403199. The next prime is 12403243. The reversal of 12403201 is 10230421.

It can be written as a sum of positive squares in only one way, i.e., 10080625 + 2322576 = 3175^2 + 1524^2 .

It is not a de Polignac number, because 12403201 - 2¹ = 12403199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12403301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15745 + ... + 16513.

It is an arithmetic number, because the mean of its divisors is an integer number (2086315).

Almost surely, 2^12403201 is an apocalyptic number.

It is an amenable number.

12403201 is a deficient number, since it is larger than the sum of its proper divisors (114689).

12403201 is an frugal number, since it uses more digits than its factorization.

12403201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023 (or 896 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12403201 is about 3521.8178544610. The cubic root of 12403201 is about 231.4788204045.

Adding to 12403201 its reverse (10230421), we get a palindrome (22633622).

The spelling of 12403201 in words is "twelve million, four hundred three thousand, two hundred one".