13125012 has 12 divisors (see below), whose sum is σ = 30625056. Its totient is φ = 4375000.

The previous prime is 13125001. The next prime is 13125053. The reversal of 13125012 is 21052131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 13124982 and 13125000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546864 + ... + 546887.

It is an arithmetic number, because the mean of its divisors is an integer number (2552088).

Almost surely, 2^13125012 is an apocalyptic number.

13125012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13125012 is an abundant number, since it is smaller than the sum of its proper divisors (17500044).

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

13125012 is a wasteful number, since it uses less digits than its factorization.

13125012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093758 (or 1093756 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 13125012 is about 3622.8458427043. The cubic root of 13125012 is about 235.8847709045.

Adding to 13125012 its reverse (21052131), we get a palindrome (34177143).

The spelling of 13125012 in words is "thirteen million, one hundred twenty-five thousand, twelve".