12256099 has 4 divisors (see below), whose sum is σ = 12977064. Its totient is φ = 11535136.

The previous prime is 12256087. The next prime is 12256103. The reversal of 12256099 is 99065221.

12256099 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99065221 = 19 ⋅5213959.

It is a cyclic number.

It is not a de Polignac number, because 12256099 - 2⁹ = 12255587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12256019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360457 + ... + 360490.

It is an arithmetic number, because the mean of its divisors is an integer number (3244266).

Almost surely, 2^12256099 is an apocalyptic number.

12256099 is a deficient number, since it is larger than the sum of its proper divisors (720965).

12256099 is an equidigital number, since it uses as much as digits as its factorization.

12256099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720964.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 12256099 is about 3500.8711772929. The cubic root of 12256099 is about 230.5600654677.

The spelling of 12256099 in words is "twelve million, two hundred fifty-six thousand, ninety-nine".