12450057 has 4 divisors (see below), whose sum is σ = 16600080. Its totient is φ = 8300036.

The previous prime is 12450023. The next prime is 12450059. The reversal of 12450057 is 75005421.

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: 75005421 = 3 ⋅25001807.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12450057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12450059) 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, 2075007 + ... + 2075012.

It is an arithmetic number, because the mean of its divisors is an integer number (4150020).

Almost surely, 2^12450057 is an apocalyptic number.

It is an amenable number.

12450057 is a deficient number, since it is larger than the sum of its proper divisors (4150023).

12450057 is an equidigital number, since it uses as much as digits as its factorization.

12450057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4150022.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 12450057 is about 3528.4638300541. The cubic root of 12450057 is about 231.7699426241.

Adding to 12450057 its reverse (75005421), we get a palindrome (87455478).

The spelling of 12450057 in words is "twelve million, four hundred fifty thousand, fifty-seven".