12402452 has 12 divisors (see below), whose sum is σ = 22981140. Its totient is φ = 5836416.

The previous prime is 12402431. The next prime is 12402457. The reversal of 12402452 is 25420421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10995856 + 1406596 = 3316^2 + 1186^2 .

It is a super-2 number, since 2×12402452² = 307641631224608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12402457) 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, 91127 + ... + 91262.

It is an arithmetic number, because the mean of its divisors is an integer number (1915095).

Almost surely, 2^12402452 is an apocalyptic number.

It is an amenable number.

12402452 is a deficient number, since it is larger than the sum of its proper divisors (10578688).

12402452 is a wasteful number, since it uses less digits than its factorization.

12402452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182410 (or 182408 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 12402452 is about 3521.7115157264. The cubic root of 12402452 is about 231.4741608244.

Adding to 12402452 its reverse (25420421), we get a palindrome (37822873).

The spelling of 12402452 in words is "twelve million, four hundred two thousand, four hundred fifty-two".