12657082 has 4 divisors (see below), whose sum is σ = 18985626. Its totient is φ = 6328540.

The previous prime is 12657077. The next prime is 12657091. The reversal of 12657082 is 28075621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28075621 = 7 ⋅4010803.

It can be written as a sum of positive squares in only one way, i.e., 9126441 + 3530641 = 3021^2 + 1879^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3164269 + ... + 3164272.

Almost surely, 2^12657082 is an apocalyptic number.

12657082 is a deficient number, since it is larger than the sum of its proper divisors (6328544).

12657082 is an equidigital number, since it uses as much as digits as its factorization.

12657082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6328543.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 12657082 is about 3557.6792997683. The cubic root of 12657082 is about 233.0475444370.

The spelling of 12657082 in words is "twelve million, six hundred fifty-seven thousand, eighty-two".