12461457 has 4 divisors (see below), whose sum is σ = 16615280. Its totient is φ = 8307636.

The previous prime is 12461453. The next prime is 12461461. The reversal of 12461457 is 75416421.

12461457 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75416421 = 3 ⋅25138807.

It is an interprime number because it is at equal distance from previous prime (12461453) and next prime (12461461).

It is not a de Polignac number, because 12461457 - 2² = 12461453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12461453) 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, 2076907 + ... + 2076912.

It is an arithmetic number, because the mean of its divisors is an integer number (4153820).

Almost surely, 2^12461457 is an apocalyptic number.

It is an amenable number.

12461457 is a deficient number, since it is larger than the sum of its proper divisors (4153823).

12461457 is an equidigital number, since it uses as much as digits as its factorization.

12461457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4153822.

The product of its digits is 6720, while the sum is 30.

The square root of 12461457 is about 3530.0788943025. The cubic root of 12461457 is about 231.8406617465.

Adding to 12461457 its reverse (75416421), we get a palindrome (87877878).

The spelling of 12461457 in words is "twelve million, four hundred sixty-one thousand, four hundred fifty-seven".