12950128 has 10 divisors (see below), whose sum is σ = 25090904. Its totient is φ = 6475056.

The previous prime is 12950101. The next prime is 12950129. The reversal of 12950128 is 82105921.

It is a junction number, because it is equal to n+sod(n) for n = 12950096 and 12950105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12950129) 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 as a sum of consecutive naturals, namely, 404676 + ... + 404707.

Almost surely, 2^12950128 is an apocalyptic number.

It is an amenable number.

12950128 is a deficient number, since it is larger than the sum of its proper divisors (12140776).

12950128 is an equidigital number, since it uses as much as digits as its factorization.

12950128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809391 (or 809385 counting only the distinct ones).

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

The square root of 12950128 is about 3598.6286276858. The cubic root of 12950128 is about 234.8324020033.

The spelling of 12950128 in words is "twelve million, nine hundred fifty thousand, one hundred twenty-eight".