12426231 has 8 divisors (see below), whose sum is σ = 16723584. Its totient is φ = 8206520.

The previous prime is 12426223. The next prime is 12426241. The reversal of 12426231 is 13262421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12426231 - 2³ = 12426223 is a prime.

It is a super-2 number, since 2×12426231² = 308822433730722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12426198 and 12426207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12426241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19035 + ... + 19676.

It is an arithmetic number, because the mean of its divisors is an integer number (2090448).

Almost surely, 2^12426231 is an apocalyptic number.

12426231 is a deficient number, since it is larger than the sum of its proper divisors (4297353).

12426231 is a wasteful number, since it uses less digits than its factorization.

12426231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38821.

The product of its digits is 576, while the sum is 21.

The square root of 12426231 is about 3525.0859563988. The cubic root of 12426231 is about 231.6220001413.

Adding to 12426231 its reverse (13262421), we get a palindrome (25688652).

The spelling of 12426231 in words is "twelve million, four hundred twenty-six thousand, two hundred thirty-one".