12609026 has 8 divisors (see below), whose sum is σ = 19565820. Its totient is φ = 6087088.

The previous prime is 12609013. The next prime is 12609029. The reversal of 12609026 is 62090621.

It can be written as a sum of positive squares in 2 ways, for example, as 12243001 + 366025 = 3499^2 + 605^2 .

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 = 12608986 and 12609004.

It is not an unprimeable number, because it can be changed into a prime (12609029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108641 + ... + 108756.

Almost surely, 2^12609026 is an apocalyptic number.

12609026 is a deficient number, since it is larger than the sum of its proper divisors (6956794).

12609026 is a wasteful number, since it uses less digits than its factorization.

12609026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217428.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 12609026 is about 3550.9190359680. The cubic root of 12609026 is about 232.7522279092.

Adding to 12609026 its reverse (62090621), we get a palindrome (74699647).

The spelling of 12609026 in words is "twelve million, six hundred nine thousand, twenty-six".