12525430 has 16 divisors (see below), whose sum is σ = 23872320. Its totient is φ = 4715392.

The previous prime is 12525421. The next prime is 12525433. The reversal of 12525430 is 3452521.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12525433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36670 + ... + 37009.

It is an arithmetic number, because the mean of its divisors is an integer number (1492020).

Almost surely, 2^12525430 is an apocalyptic number.

12525430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12525430 is a deficient number, since it is larger than the sum of its proper divisors (11346890).

12525430 is a wasteful number, since it uses less digits than its factorization.

12525430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73703.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 12525430 is about 3539.1284237789. The cubic root of 12525430 is about 232.2367158813.

Adding to 12525430 its reverse (3452521), we get a palindrome (15977951).

The spelling of 12525430 in words is "twelve million, five hundred twenty-five thousand, four hundred thirty".