12255715 has 4 divisors (see below), whose sum is σ = 14706864. Its totient is φ = 9804568.

The previous prime is 12255713. The next prime is 12255743. The reversal of 12255715 is 51755221.

12255715 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.

It is a cyclic number.

It is not a de Polignac number, because 12255715 - 2¹ = 12255713 is a prime.

It is a super-2 number, since 2×12255715² = 300405100322450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12255713) 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, 1225567 + ... + 1225576.

It is an arithmetic number, because the mean of its divisors is an integer number (3676716).

Almost surely, 2^12255715 is an apocalyptic number.

12255715 is a deficient number, since it is larger than the sum of its proper divisors (2451149).

12255715 is an equidigital number, since it uses as much as digits as its factorization.

12255715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451148.

The product of its digits is 3500, while the sum is 28.

The square root of 12255715 is about 3500.8163333714. The cubic root of 12255715 is about 230.5576575240.

The spelling of 12255715 in words is "twelve million, two hundred fifty-five thousand, seven hundred fifteen".