12540300 has 36 divisors (see below), whose sum is σ = 36284136. Its totient is φ = 3344000.

The previous prime is 12540263. The next prime is 12540317. The reversal of 12540300 is 304521.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12540300.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20601 + ... + 21200.

Almost surely, 2^12540300 is an apocalyptic number.

12540300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12540300 is an abundant number, since it is smaller than the sum of its proper divisors (23743836).

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

12540300 is a wasteful number, since it uses less digits than its factorization.

12540300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41818 (or 41811 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 12540300 is about 3541.2286003589. The cubic root of 12540300 is about 232.3285821692.

Adding to 12540300 its reverse (304521), we get a palindrome (12844821).

The spelling of 12540300 in words is "twelve million, five hundred forty thousand, three hundred".