12950428 has 6 divisors (see below), whose sum is σ = 22663256. Its totient is φ = 6475212.

The previous prime is 12950423. The next prime is 12950429. The reversal of 12950428 is 82405921.

It is a self number, because there is not a number n which added to its sum of digits gives 12950428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12950423) by changing a digit.

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 as a sum of consecutive naturals, namely, 1618800 + ... + 1618807.

Almost surely, 2^12950428 is an apocalyptic number.

It is an amenable number.

12950428 is a deficient number, since it is larger than the sum of its proper divisors (9712828).

12950428 is a wasteful number, since it uses less digits than its factorization.

12950428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237611 (or 3237609 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 12950428 is about 3598.6703099895. The cubic root of 12950428 is about 234.8342153490.

The spelling of 12950428 in words is "twelve million, nine hundred fifty thousand, four hundred twenty-eight".