12252401 has 6 divisors (see below), whose sum is σ = 14252850. Its totient is φ = 10502016.

The previous prime is 12252391. The next prime is 12252403. The reversal of 12252401 is 10425221.

It can be written as a sum of positive squares in only one way, i.e., 12250000 + 2401 = 3500^2 + 49^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12252401 is a prime.

It is a super-3 number, since 3×12252401³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12252401.

It is not an unprimeable number, because it can be changed into a prime (12252403) 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, 124976 + ... + 125073.

It is an arithmetic number, because the mean of its divisors is an integer number (2375475).

Almost surely, 2^12252401 is an apocalyptic number.

It is an amenable number.

12252401 is a deficient number, since it is larger than the sum of its proper divisors (2000449).

12252401 is an equidigital number, since it uses as much as digits as its factorization.

12252401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250063 (or 250056 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 12252401 is about 3500.3429831946. The cubic root of 12252401 is about 230.5368743776.

Adding to 12252401 its reverse (10425221), we get a palindrome (22677622).

It can be divided in two parts, 1225 and 2401, that multiplied together give a square (2941225 = 1715²).

The spelling of 12252401 in words is "twelve million, two hundred fifty-two thousand, four hundred one".