12426346 has 4 divisors (see below), whose sum is σ = 18639522. Its totient is φ = 6213172.

The previous prime is 12426343. The next prime is 12426347. The reversal of 12426346 is 64362421.

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

It can be written as a sum of positive squares in only one way, i.e., 12327121 + 99225 = 3511^2 + 315^2 .

It is not an unprimeable number, because it can be changed into a prime (12426341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3106585 + ... + 3106588.

Almost surely, 2^12426346 is an apocalyptic number.

12426346 is a deficient number, since it is larger than the sum of its proper divisors (6213176).

12426346 is an equidigital number, since it uses as much as digits as its factorization.

12426346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6213175.

The product of its digits is 6912, while the sum is 28.

The square root of 12426346 is about 3525.1022680200. The cubic root of 12426346 is about 231.6227146634.

Adding to 12426346 its reverse (64362421), we get a palindrome (76788767).

The spelling of 12426346 in words is "twelve million, four hundred twenty-six thousand, three hundred forty-six".