12442401 has 12 divisors (see below), whose sum is σ = 18026112. Its totient is φ = 8270136.

The previous prime is 12442387. The next prime is 12442411. The reversal of 12442401 is 10424421.

It is not a de Polignac number, because 12442401 - 2⁶ = 12442337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12442411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1420 + ... + 5186.

It is an arithmetic number, because the mean of its divisors is an integer number (1502176).

Almost surely, 2^12442401 is an apocalyptic number.

It is an amenable number.

12442401 is a deficient number, since it is larger than the sum of its proper divisors (5583711).

12442401 is a wasteful number, since it uses less digits than its factorization.

12442401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140 (or 4137 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 12442401 is about 3527.3787718361. The cubic root of 12442401 is about 231.7224249160.

Adding to 12442401 its reverse (10424421), we get a palindrome (22866822).

The spelling of 12442401 in words is "twelve million, four hundred forty-two thousand, four hundred one".