12555300 has 36 divisors (see below), whose sum is σ = 36327536. Its totient is φ = 3348000.

The previous prime is 12555293. The next prime is 12555311. The reversal of 12555300 is 355521.

Added to its reverse (355521) it gives a triangular number (12910821 = T₅₀₈₁).

12555300 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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, 20626 + ... + 21225.

Almost surely, 2^12555300 is an apocalyptic number.

12555300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12555300 is an abundant number, since it is smaller than the sum of its proper divisors (23772236).

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

12555300 is a wasteful number, since it uses less digits than its factorization.

12555300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41868 (or 41861 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 12555300 is about 3543.3458764281. The cubic root of 12555300 is about 232.4211780444.

Adding to 12555300 its reverse (355521), we get a triangular number (12910821 = T₅₀₈₁).

It can be divided in two parts, 1255 and 5300, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 12555300 in words is "twelve million, five hundred fifty-five thousand, three hundred".