12621206 has 32 divisors (see below), whose sum is σ = 22226400. Its totient is φ = 5322240.

The previous prime is 12621197. The next prime is 12621241. The reversal of 12621206 is 60212621.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13886 + ... + 14766.

It is an arithmetic number, because the mean of its divisors is an integer number (694575).

Almost surely, 2^12621206 is an apocalyptic number.

12621206 is a deficient number, since it is larger than the sum of its proper divisors (9605194).

12621206 is a wasteful number, since it uses less digits than its factorization.

12621206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 12621206 is about 3552.6336709545. The cubic root of 12621206 is about 232.8271480446.

Adding to 12621206 its reverse (60212621), we get a palindrome (72833827).

The spelling of 12621206 in words is "twelve million, six hundred twenty-one thousand, two hundred six".