12645026 has 4 divisors (see below), whose sum is σ = 18967542. Its totient is φ = 6322512.

The previous prime is 12645011. The next prime is 12645041. The reversal of 12645026 is 62054621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62054621 = 23 ⋅2698027.

It is an interprime number because it is at equal distance from previous prime (12645011) and next prime (12645041).

It can be written as a sum of positive squares in only one way, i.e., 9579025 + 3066001 = 3095^2 + 1751^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12644986 and 12645004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3161255 + ... + 3161258.

Almost surely, 2^12645026 is an apocalyptic number.

12645026 is a deficient number, since it is larger than the sum of its proper divisors (6322516).

12645026 is an equidigital number, since it uses as much as digits as its factorization.

12645026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6322515.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 12645026 is about 3555.9845331497. The cubic root of 12645026 is about 232.9735275419.

Adding to 12645026 its reverse (62054621), we get a palindrome (74699647).

The spelling of 12645026 in words is "twelve million, six hundred forty-five thousand, twenty-six".