12125432 has 32 divisors (see below), whose sum is σ = 24952320. Its totient is φ = 5478240.

The previous prime is 12125423. The next prime is 12125447. The reversal of 12125432 is 23452121.

It is a super-2 number, since 2×12125432² = 294052202373248, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19673 + ... + 20279.

It is an arithmetic number, because the mean of its divisors is an integer number (779760).

Almost surely, 2^12125432 is an apocalyptic number.

It is an amenable number.

12125432 is an abundant number, since it is smaller than the sum of its proper divisors (12826888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12125432 is a wasteful number, since it uses less digits than its factorization.

12125432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851 (or 847 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 12125432 is about 3482.1591003284. The cubic root of 12125432 is about 229.7377729777.

Adding to 12125432 its reverse (23452121), we get a palindrome (35577553).

The spelling of 12125432 in words is "twelve million, one hundred twenty-five thousand, four hundred thirty-two".