12265977 has 4 divisors (see below), whose sum is σ = 16354640. Its totient is φ = 8177316.

The previous prime is 12265973. The next prime is 12265991. The reversal of 12265977 is 77956221.

12265977 is digitally balanced in base 3, because in such base 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12265977 - 2² = 12265973 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12265973) 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, 2044327 + ... + 2044332.

It is an arithmetic number, because the mean of its divisors is an integer number (4088660).

Almost surely, 2^12265977 is an apocalyptic number.

It is an amenable number.

12265977 is a deficient number, since it is larger than the sum of its proper divisors (4088663).

12265977 is an equidigital number, since it uses as much as digits as its factorization.

12265977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4088662.

The product of its digits is 52920, while the sum is 39.

The square root of 12265977 is about 3502.2816848449. The cubic root of 12265977 is about 230.6219900313.

The spelling of 12265977 in words is "twelve million, two hundred sixty-five thousand, nine hundred seventy-seven".