12355206 has 16 divisors (see below), whose sum is σ = 26011200. Its totient is φ = 3901608.

The previous prime is 12355199. The next prime is 12355223. The reversal of 12355206 is 60255321.

It is a super-2 number, since 2×12355206² = 305302230604872, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 54076 + ... + 54303.

It is an arithmetic number, because the mean of its divisors is an integer number (1625700).

Almost surely, 2^12355206 is an apocalyptic number.

12355206 is an abundant number, since it is smaller than the sum of its proper divisors (13655994).

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

12355206 is a wasteful number, since it uses less digits than its factorization.

12355206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108403.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 12355206 is about 3514.9972972963. The cubic root of 12355206 is about 231.1798602964.

It can be divided in two parts, 12355 and 206, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 12355206 in words is "twelve million, three hundred fifty-five thousand, two hundred six".