12257026 has 4 divisors (see below), whose sum is σ = 18385542. Its totient is φ = 6128512.

The previous prime is 12257009. The next prime is 12257039. The reversal of 12257026 is 62075221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12257001 + 25 = 3501^2 + 5^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3064255 + ... + 3064258.

Almost surely, 2^12257026 is an apocalyptic number.

12257026 is a deficient number, since it is larger than the sum of its proper divisors (6128516).

12257026 is an equidigital number, since it uses as much as digits as its factorization.

12257026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6128515.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 12257026 is about 3501.0035704066. The cubic root of 12257026 is about 230.5658781871.

Subtracting from 12257026 its sum of digits (25), we obtain a square (12257001 = 3501²).

The spelling of 12257026 in words is "twelve million, two hundred fifty-seven thousand, twenty-six".