12461277 has 4 divisors (see below), whose sum is σ = 16615040. Its totient is φ = 8307516.

The previous prime is 12461269. The next prime is 12461311. The reversal of 12461277 is 77216421.

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 12461277 - 2³ = 12461269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12461227) 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, 2076877 + ... + 2076882.

It is an arithmetic number, because the mean of its divisors is an integer number (4153760).

Almost surely, 2^12461277 is an apocalyptic number.

It is an amenable number.

12461277 is a deficient number, since it is larger than the sum of its proper divisors (4153763).

12461277 is an equidigital number, since it uses as much as digits as its factorization.

12461277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4153762.

The product of its digits is 4704, while the sum is 30.

The square root of 12461277 is about 3530.0533990295. The cubic root of 12461277 is about 231.8395454639.

Adding to 12461277 its reverse (77216421), we get a palindrome (89677698).

The spelling of 12461277 in words is "twelve million, four hundred sixty-one thousand, two hundred seventy-seven".