12555206 has 4 divisors (see below), whose sum is σ = 18832812. Its totient is φ = 6277602.

The previous prime is 12555199. The next prime is 12555241. The reversal of 12555206 is 60255521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60255521 = 2861 ⋅21061.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3138800 + ... + 3138803.

It is an arithmetic number, because the mean of its divisors is an integer number (4708203).

Almost surely, 2^12555206 is an apocalyptic number.

12555206 is a deficient number, since it is larger than the sum of its proper divisors (6277606).

12555206 is an equidigital number, since it uses as much as digits as its factorization.

12555206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6277605.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 12555206 is about 3543.3326121040. The cubic root of 12555206 is about 232.4205980066.

The spelling of 12555206 in words is "twelve million, five hundred fifty-five thousand, two hundred six".