12425140 has 48 divisors (see below), whose sum is σ = 32118912. Its totient is φ = 3931776.

The previous prime is 12425131. The next prime is 12425143. The reversal of 12425140 is 4152421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12425143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1594 + ... + 5233.

It is an arithmetic number, because the mean of its divisors is an integer number (669144).

Almost surely, 2^12425140 is an apocalyptic number.

12425140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12425140 is an abundant number, since it is smaller than the sum of its proper divisors (19693772).

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

12425140 is a wasteful number, since it uses less digits than its factorization.

12425140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6856 (or 6854 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 12425140 is about 3524.9312050024. The cubic root of 12425140 is about 231.6152212825.

Adding to 12425140 its reverse (4152421), we get a palindrome (16577561).

The spelling of 12425140 in words is "twelve million, four hundred twenty-five thousand, one hundred forty".