12202401 has 4 divisors (see below), whose sum is σ = 16269872. Its totient is φ = 8134932.

The previous prime is 12202381. The next prime is 12202423. The reversal of 12202401 is 10420221.

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.

It is not a de Polignac number, because 12202401 - 2¹⁴ = 12186017 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 (12202471) 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, 2033731 + ... + 2033736.

It is an arithmetic number, because the mean of its divisors is an integer number (4067468).

Almost surely, 2^12202401 is an apocalyptic number.

It is an amenable number.

12202401 is a deficient number, since it is larger than the sum of its proper divisors (4067471).

12202401 is an equidigital number, since it uses as much as digits as its factorization.

12202401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067470.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 12202401 is about 3493.1935245560. The cubic root of 12202401 is about 230.2228526858. Note that the first 3 decimals are identical.

Adding to 12202401 its reverse (10420221), we get a palindrome (22622622).

The spelling of 12202401 in words is "twelve million, two hundred two thousand, four hundred one".