12309026 has 8 divisors (see below), whose sum is σ = 18492624. Its totient is φ = 6144820.

The previous prime is 12309023. The next prime is 12309029. The reversal of 12309026 is 62090321.

12309026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12309023) and next prime (12309029).

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

It is a junction number, because it is equal to n+sod(n) for n = 12308992 and 12309010.

It is not an unprimeable number, because it can be changed into a prime (12309023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3140 + ... + 5871.

It is an arithmetic number, because the mean of its divisors is an integer number (2311578).

Almost surely, 2^12309026 is an apocalyptic number.

12309026 is a deficient number, since it is larger than the sum of its proper divisors (6183598).

12309026 is an equidigital number, since it uses as much as digits as its factorization.

12309026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9696.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 12309026 is about 3508.4221524782. The cubic root of 12309026 is about 230.8914740429.

Adding to 12309026 its reverse (62090321), we get a palindrome (74399347).

The spelling of 12309026 in words is "twelve million, three hundred nine thousand, twenty-six".