12626427 has 32 divisors (see below), whose sum is σ = 19782144. Its totient is φ = 7078400.

The previous prime is 12626417. The next prime is 12626479. The reversal of 12626427 is 72462621.

It is a cyclic number.

It is not a de Polignac number, because 12626427 - 2⁶ = 12626363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12626394 and 12626403.

It is not an unprimeable number, because it can be changed into a prime (12626417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39673 + ... + 39989.

It is an arithmetic number, because the mean of its divisors is an integer number (618192).

Almost surely, 2^12626427 is an apocalyptic number.

12626427 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12626427 is a deficient number, since it is larger than the sum of its proper divisors (7155717).

12626427 is a wasteful number, since it uses less digits than its factorization.

12626427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419.

The product of its digits is 8064, while the sum is 30.

The square root of 12626427 is about 3553.3684019533. The cubic root of 12626427 is about 232.8592480664.

The spelling of 12626427 in words is "twelve million, six hundred twenty-six thousand, four hundred twenty-seven".