12812057 has 2 divisors, whose sum is σ = 12812058. Its totient is φ = 12812056.

The previous prime is 12811993. The next prime is 12812071. The reversal of 12812057 is 75021821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10896601 + 1915456 = 3301^2 + 1384^2 .

It is a cyclic number.

It is not a de Polignac number, because 12812057 - 2⁶ = 12811993 is a prime.

It is not a weakly prime, because it can be changed into another prime (12812077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6406028 + 6406029.

It is an arithmetic number, because the mean of its divisors is an integer number (6406029).

Almost surely, 2^12812057 is an apocalyptic number.

It is an amenable number.

12812057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12812057 is an equidigital number, since it uses as much as digits as its factorization.

12812057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 12812057 is about 3579.3933843600. The cubic root of 12812057 is about 233.9948436782.

Adding to 12812057 its reverse (75021821), we get a palindrome (87833878).

The spelling of 12812057 in words is "twelve million, eight hundred twelve thousand, fifty-seven".