12625642 has 8 divisors (see below), whose sum is σ = 19198116. Its totient is φ = 6226272.

The previous prime is 12625631. The next prime is 12625651. The reversal of 12625642 is 24652621.

It can be written as a sum of positive squares in 2 ways, for example, as 11566801 + 1058841 = 3401^2 + 1029^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12625642.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 43093 + ... + 43384.

Almost surely, 2^12625642 is an apocalyptic number.

12625642 is a deficient number, since it is larger than the sum of its proper divisors (6572474).

12625642 is an equidigital number, since it uses as much as digits as its factorization.

12625642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86552.

The product of its digits is 5760, while the sum is 28.

The square root of 12625642 is about 3553.2579416642. The cubic root of 12625642 is about 232.8544222541.

The spelling of 12625642 in words is "twelve million, six hundred twenty-five thousand, six hundred forty-two".