12265858 has 16 divisors (see below), whose sum is σ = 20270016. Its totient is φ = 5520240.

The previous prime is 12265853. The next prime is 12265861. The reversal of 12265858 is 85856221.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12265853) by changing a digit.

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, 441 + ... + 4972.

It is an arithmetic number, because the mean of its divisors is an integer number (1266876).

Almost surely, 2^12265858 is an apocalyptic number.

12265858 is a deficient number, since it is larger than the sum of its proper divisors (8004158).

12265858 is a wasteful number, since it uses less digits than its factorization.

12265858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5529.

The product of its digits is 38400, while the sum is 37.

The square root of 12265858 is about 3502.2646958789. The cubic root of 12265858 is about 230.6212442256.

The spelling of 12265858 in words is "twelve million, two hundred sixty-five thousand, eight hundred fifty-eight".