12626231 has 4 divisors (see below), whose sum is σ = 12678864. Its totient is φ = 12573600.

The previous prime is 12626227. The next prime is 12626261. The reversal of 12626231 is 13262621.

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

It is a cyclic number.

It is not a de Polignac number, because 12626231 - 2² = 12626227 is a prime.

It is a super-2 number, since 2×12626231² = 318843418530722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12626197 and 12626206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12626261) 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, 25955 + ... + 26436.

It is an arithmetic number, because the mean of its divisors is an integer number (3169716).

Almost surely, 2^12626231 is an apocalyptic number.

12626231 is a deficient number, since it is larger than the sum of its proper divisors (52633).

12626231 is an equidigital number, since it uses as much as digits as its factorization.

12626231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52632.

The product of its digits is 864, while the sum is 23.

The square root of 12626231 is about 3553.3408223811. The cubic root of 12626231 is about 232.8580431689.

Adding to 12626231 its reverse (13262621), we get a palindrome (25888852).

The spelling of 12626231 in words is "twelve million, six hundred twenty-six thousand, two hundred thirty-one".