12525930 has 24 divisors (see below), whose sum is σ = 32567652. Its totient is φ = 3340224.

The previous prime is 12525917. The next prime is 12525973. The reversal of 12525930 is 3952521.

It can be written as a sum of positive squares in 2 ways, for example, as 10478169 + 2047761 = 3237^2 + 1431^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12525894 and 12525903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69499 + ... + 69678.

Almost surely, 2^12525930 is an apocalyptic number.

12525930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12525930 is an abundant number, since it is smaller than the sum of its proper divisors (20041722).

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

12525930 is a wasteful number, since it uses less digits than its factorization.

12525930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139190 (or 139187 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 12525930 is about 3539.1990619348. The cubic root of 12525930 is about 232.2398060430.

The spelling of 12525930 in words is "twelve million, five hundred twenty-five thousand, nine hundred thirty".