12717057 has 16 divisors (see below), whose sum is σ = 17288640. Its totient is φ = 8313792.

The previous prime is 12717043. The next prime is 12717073. The reversal of 12717057 is 75071721.

It is not a de Polignac number, because 12717057 - 2⁴ = 12717041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12717007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55419 + ... + 55647.

It is an arithmetic number, because the mean of its divisors is an integer number (1080540).

Almost surely, 2^12717057 is an apocalyptic number.

It is an amenable number.

12717057 is a deficient number, since it is larger than the sum of its proper divisors (4571583).

12717057 is a wasteful number, since it uses less digits than its factorization.

12717057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512.

The product of its (nonzero) digits is 3430, while the sum is 30.

The square root of 12717057 is about 3566.0982880454. The cubic root of 12717057 is about 233.4150595802.

Adding to 12717057 its reverse (75071721), we get a palindrome (87788778).

The spelling of 12717057 in words is "twelve million, seven hundred seventeen thousand, fifty-seven".