12604218 has 32 divisors (see below), whose sum is σ = 27628992. Its totient is φ = 3801600.

The previous prime is 12604217. The next prime is 12604219. The reversal of 12604218 is 81240621.

It is an interprime number because it is at equal distance from previous prime (12604217) and next prime (12604219).

It is a super-2 number, since 2×12604218² = 317732622783048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12604211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23028 + ... + 23568.

It is an arithmetic number, because the mean of its divisors is an integer number (863406).

Almost surely, 2^12604218 is an apocalyptic number.

12604218 is an abundant number, since it is smaller than the sum of its proper divisors (15024774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12604218 is a wasteful number, since it uses less digits than its factorization.

12604218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 12604218 is about 3550.2419635850. The cubic root of 12604218 is about 232.7226402424.

Adding to 12604218 its reverse (81240621), we get a palindrome (93844839).

The spelling of 12604218 in words is "twelve million, six hundred four thousand, two hundred eighteen".