12506930 has 16 divisors (see below), whose sum is σ = 22569624. Its totient is φ = 4990080.

The previous prime is 12506929. The next prime is 12506933. The reversal of 12506930 is 3960521.

12506930 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 4 ways, for example, as 11909401 + 597529 = 3451^2 + 773^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12506930.

It is not an unprimeable number, because it can be changed into a prime (12506933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3254 + ... + 5966.

Almost surely, 2^12506930 is an apocalyptic number.

12506930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12506930 is a deficient number, since it is larger than the sum of its proper divisors (10062694).

12506930 is a wasteful number, since it uses less digits than its factorization.

12506930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3181.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 12506930 is about 3536.5138201342. The cubic root of 12506930 is about 232.1223220381.

The spelling of 12506930 in words is "twelve million, five hundred six thousand, nine hundred thirty".