12452401 has 4 divisors (see below), whose sum is σ = 13410292. Its totient is φ = 11494512.

The previous prime is 12452399. The next prime is 12452431. The reversal of 12452401 is 10425421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10425421 = 1187 ⋅8783.

It can be written as a sum of positive squares in 2 ways, for example, as 1263376 + 11189025 = 1124^2 + 3345^2 .

It is a cyclic number.

It is not a de Polignac number, because 12452401 - 2¹ = 12452399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12452431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478926 + ... + 478951.

It is an arithmetic number, because the mean of its divisors is an integer number (3352573).

Almost surely, 2^12452401 is an apocalyptic number.

It is an amenable number.

12452401 is a deficient number, since it is larger than the sum of its proper divisors (957891).

12452401 is an equidigital number, since it uses as much as digits as its factorization.

12452401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957890.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 12452401 is about 3528.7959702992. The cubic root of 12452401 is about 231.7844869928.

Adding to 12452401 its reverse (10425421), we get a palindrome (22877822).

It can be divided in two parts, 124 and 52401, that added together give a palindrome (52525).

The spelling of 12452401 in words is "twelve million, four hundred fifty-two thousand, four hundred one".