12526140 has 48 divisors (see below), whose sum is σ = 38263680. Its totient is φ = 3036480.

The previous prime is 12526123. The next prime is 12526141. The reversal of 12526140 is 4162521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12526141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8830 + ... + 10149.

It is an arithmetic number, because the mean of its divisors is an integer number (797160).

Almost surely, 2^12526140 is an apocalyptic number.

12526140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12526140 is an abundant number, since it is smaller than the sum of its proper divisors (25737540).

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

12526140 is a wasteful number, since it uses less digits than its factorization.

12526140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19002 (or 19000 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 12526140 is about 3539.2287295398. The cubic root of 12526140 is about 232.2411038864.

Adding to 12526140 its reverse (4162521), we get a palindrome (16688661).

The spelling of 12526140 in words is "twelve million, five hundred twenty-six thousand, one hundred forty".