12770057 has 4 divisors (see below), whose sum is σ = 12778260. Its totient is φ = 12761856.

The previous prime is 12770053. The next prime is 12770059. The reversal of 12770057 is 75007721.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 75007721 = 5981 ⋅12541.

It can be written as a sum of positive squares in 2 ways, for example, as 9369721 + 3400336 = 3061^2 + 1844^2 .

It is a cyclic number.

It is not a de Polignac number, because 12770057 - 2² = 12770053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12770053) 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 3 ways as a sum of consecutive naturals, for example, 968 + ... + 5145.

It is an arithmetic number, because the mean of its divisors is an integer number (3194565).

Almost surely, 2^12770057 is an apocalyptic number.

It is an amenable number.

12770057 is a deficient number, since it is larger than the sum of its proper divisors (8203).

12770057 is an equidigital number, since it uses as much as digits as its factorization.

12770057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8202.

The product of its (nonzero) digits is 3430, while the sum is 29.

The square root of 12770057 is about 3573.5216523760. The cubic root of 12770057 is about 233.7388727581.

Adding to 12770057 its reverse (75007721), we get a palindrome (87777778).

The spelling of 12770057 in words is "twelve million, seven hundred seventy thousand, fifty-seven".