12715057 has 4 divisors (see below), whose sum is σ = 13010800. Its totient is φ = 12419316.

The previous prime is 12715037. The next prime is 12715063. The reversal of 12715057 is 75051721.

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: 75051721 = 1607 ⋅46703.

It is a cyclic number.

It is not a de Polignac number, because 12715057 - 2¹⁹ = 12190769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12715037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147807 + ... + 147892.

It is an arithmetic number, because the mean of its divisors is an integer number (3252700).

Almost surely, 2^12715057 is an apocalyptic number.

It is an amenable number.

12715057 is a deficient number, since it is larger than the sum of its proper divisors (295743).

12715057 is an equidigital number, since it uses as much as digits as its factorization.

12715057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295742.

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 12715057 is about 3565.8178585003. The cubic root of 12715057 is about 233.4028226139.

Adding to 12715057 its reverse (75051721), we get a palindrome (87766778).

It can be divided in two parts, 1271 and 5057, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 12715057 in words is "twelve million, seven hundred fifteen thousand, fifty-seven".