12504430 has 8 divisors (see below), whose sum is σ = 22507992. Its totient is φ = 5001768.

The previous prime is 12504391. The next prime is 12504431. The reversal of 12504430 is 3440521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12504398 and 12504407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12504431) 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, 625212 + ... + 625231.

It is an arithmetic number, because the mean of its divisors is an integer number (2813499).

Almost surely, 2^12504430 is an apocalyptic number.

12504430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12504430 is a deficient number, since it is larger than the sum of its proper divisors (10003562).

12504430 is a wasteful number, since it uses less digits than its factorization.

12504430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250450.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 12504430 is about 3536.1603470431. The cubic root of 12504430 is about 232.1068547605.

Adding to 12504430 its reverse (3440521), we get a palindrome (15944951).

The spelling of 12504430 in words is "twelve million, five hundred four thousand, four hundred thirty".