12600140 has 24 divisors (see below), whose sum is σ = 30240672. Its totient is φ = 4320000.

The previous prime is 12600139. The next prime is 12600143. The reversal of 12600140 is 4100621.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12600143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44861 + ... + 45140.

It is an arithmetic number, because the mean of its divisors is an integer number (1260028).

Almost surely, 2^12600140 is an apocalyptic number.

12600140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12600140 is an abundant number, since it is smaller than the sum of its proper divisors (17640532).

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

12600140 is a wasteful number, since it uses less digits than its factorization.

12600140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90017 (or 90015 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12600140 is about 3549.6675900709. The cubic root of 12600140 is about 232.6975389814.

Adding to 12600140 its reverse (4100621), we get a palindrome (16700761).

The spelling of 12600140 in words is "twelve million, six hundred thousand, one hundred forty".