12726146 has 4 divisors (see below), whose sum is σ = 19089222. Its totient is φ = 6363072.

The previous prime is 12726127. The next prime is 12726167. The reversal of 12726146 is 64162721.

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., 10491121 + 2235025 = 3239^2 + 1495^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3181535 + ... + 3181538.

Almost surely, 2^12726146 is an apocalyptic number.

12726146 is a deficient number, since it is larger than the sum of its proper divisors (6363076).

12726146 is an equidigital number, since it uses as much as digits as its factorization.

12726146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6363075.

The product of its digits is 4032, while the sum is 29.

The square root of 12726146 is about 3567.3724223860. The cubic root of 12726146 is about 233.4706543156.

Adding to 12726146 its reverse (64162721), we get a palindrome (76888867).

The spelling of 12726146 in words is "twelve million, seven hundred twenty-six thousand, one hundred forty-six".