12621066 has 16 divisors (see below), whose sum is σ = 26339904. Its totient is φ = 4024064.

The previous prime is 12621053. The next prime is 12621067. The reversal of 12621066 is 66012621.

It is not an unprimeable number, because it can be changed into a prime (12621067) 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, 45591 + ... + 45866.

It is an arithmetic number, because the mean of its divisors is an integer number (1646244).

Almost surely, 2^12621066 is an apocalyptic number.

12621066 is an abundant number, since it is smaller than the sum of its proper divisors (13718838).

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

12621066 is a wasteful number, since it uses less digits than its factorization.

12621066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91485.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 12621066 is about 3552.6139672078. The cubic root of 12621066 is about 232.8262871675.

Adding to 12621066 its reverse (66012621), we get a palindrome (78633687).

The spelling of 12621066 in words is "twelve million, six hundred twenty-one thousand, sixty-six".