12426315 has 32 divisors (see below), whose sum is σ = 21897216. Its totient is φ = 5967360.

The previous prime is 12426313. The next prime is 12426329. The reversal of 12426315 is 51362421.

It is not a de Polignac number, because 12426315 - 2¹ = 12426313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12426313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20659 + ... + 21251.

It is an arithmetic number, because the mean of its divisors is an integer number (684288).

Almost surely, 2^12426315 is an apocalyptic number.

12426315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12426315 is a deficient number, since it is larger than the sum of its proper divisors (9470901).

12426315 is a wasteful number, since it uses less digits than its factorization.

12426315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739.

The product of its digits is 1440, while the sum is 24.

The square root of 12426315 is about 3525.0978709817. The cubic root of 12426315 is about 231.6225220535.

Adding to 12426315 its reverse (51362421), we get a palindrome (63788736).

It can be divided in two parts, 1242 and 6315, that added together give a palindrome (7557).

The spelling of 12426315 in words is "twelve million, four hundred twenty-six thousand, three hundred fifteen".