12890125 has 16 divisors (see below), whose sum is σ = 16262064. Its totient is φ = 10200000.

The previous prime is 12890117. The next prime is 12890147. The reversal of 12890125 is 52109821.

It can be written as a sum of positive squares in 8 ways, for example, as 925444 + 11964681 = 962^2 + 3459^2 .

It is not a de Polignac number, because 12890125 - 2³ = 12890117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12890093 and 12890102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12115 + ... + 13135.

It is an arithmetic number, because the mean of its divisors is an integer number (1016379).

Almost surely, 2^12890125 is an apocalyptic number.

It is an amenable number.

12890125 is a deficient number, since it is larger than the sum of its proper divisors (3371939).

12890125 is a wasteful number, since it uses less digits than its factorization.

12890125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137 (or 1127 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 12890125 is about 3590.2820223487. The cubic root of 12890125 is about 234.4691503221.

Adding to 12890125 its reverse (52109821), we get a palindrome (64999946).

The spelling of 12890125 in words is "twelve million, eight hundred ninety thousand, one hundred twenty-five".