12700057 has 8 divisors (see below), whose sum is σ = 13242240. Its totient is φ = 12164880.

The previous prime is 12700031. The next prime is 12700063. The reversal of 12700057 is 75000721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12700057 - 2¹¹ = 12698009 is a prime.

It is a super-2 number, since 2×12700057² = 322582895606498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12700027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2128 + ... + 5470.

It is an arithmetic number, because the mean of its divisors is an integer number (1655280).

Almost surely, 2^12700057 is an apocalyptic number.

It is an amenable number.

12700057 is a deficient number, since it is larger than the sum of its proper divisors (542183).

12700057 is a wasteful number, since it uses less digits than its factorization.

12700057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3503.

The product of its (nonzero) digits is 490, while the sum is 22.

The square root of 12700057 is about 3563.7139335250. The cubic root of 12700057 is about 233.3110044393.

Adding to 12700057 its reverse (75000721), we get a palindrome (87700778).

The spelling of 12700057 in words is "twelve million, seven hundred thousand, fifty-seven".