13125100 has 18 divisors (see below), whose sum is σ = 28481684. Its totient is φ = 5250000.

The previous prime is 13125089. The next prime is 13125103. The reversal of 13125100 is 152131.

It is not an unprimeable number, because it can be changed into a prime (13125103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65526 + ... + 65725.

Almost surely, 2^13125100 is an apocalyptic number.

13125100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13125100 is an abundant number, since it is smaller than the sum of its proper divisors (15356584).

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

13125100 is a wasteful number, since it uses less digits than its factorization.

13125100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131265 (or 131258 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 13125100 is about 3622.8579878323. The cubic root of 13125100 is about 235.8852980866.

Adding to 13125100 its reverse (152131), we get a palindrome (13277231).

It can be divided in two parts, 13125 and 100, that added together give a square (13225 = 115²).

The spelling of 13125100 in words is "thirteen million, one hundred twenty-five thousand, one hundred".