12621882 has 32 divisors (see below), whose sum is σ = 31070592. Its totient is φ = 3328704.

The previous prime is 12621877. The next prime is 12621887. The reversal of 12621882 is 28812621.

It is an interprime number because it is at equal distance from previous prime (12621877) and next prime (12621887).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12621887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11013 + ... + 12104.

It is an arithmetic number, because the mean of its divisors is an integer number (970956).

Almost surely, 2^12621882 is an apocalyptic number.

12621882 is an abundant number, since it is smaller than the sum of its proper divisors (18448710).

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

12621882 is a wasteful number, since it uses less digits than its factorization.

12621882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23142.

The product of its digits is 3072, while the sum is 30.

The square root of 12621882 is about 3552.7288103654. The cubic root of 12621882 is about 232.8313047616.

The spelling of 12621882 in words is "twelve million, six hundred twenty-one thousand, eight hundred eighty-two".