12416457 has 4 divisors (see below), whose sum is σ = 16555280. Its totient is φ = 8277636.

The previous prime is 12416449. The next prime is 12416473. The reversal of 12416457 is 75461421.

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 12416457 - 2³ = 12416449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12416357) 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, 2069407 + ... + 2069412.

It is an arithmetic number, because the mean of its divisors is an integer number (4138820).

Almost surely, 2^12416457 is an apocalyptic number.

It is an amenable number.

12416457 is a deficient number, since it is larger than the sum of its proper divisors (4138823).

12416457 is an equidigital number, since it uses as much as digits as its factorization.

12416457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4138822.

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

The square root of 12416457 is about 3523.6993345063. The cubic root of 12416457 is about 231.5612558645.

Adding to 12416457 its reverse (75461421), we get a palindrome (87877878).

The spelling of 12416457 in words is "twelve million, four hundred sixteen thousand, four hundred fifty-seven".