12604022 has 4 divisors (see below), whose sum is σ = 18906036. Its totient is φ = 6302010.

The previous prime is 12604019. The next prime is 12604057. The reversal of 12604022 is 22040621.

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

It is a super-2 number, since 2×12604022² = 317722741152968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3151004 + ... + 3151007.

It is an arithmetic number, because the mean of its divisors is an integer number (4726509).

Almost surely, 2^12604022 is an apocalyptic number.

12604022 is a deficient number, since it is larger than the sum of its proper divisors (6302014).

12604022 is an equidigital number, since it uses as much as digits as its factorization.

12604022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6302013.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 12604022 is about 3550.2143597253. The cubic root of 12604022 is about 232.7214339300.

Adding to 12604022 its reverse (22040621), we get a palindrome (34644643).

The spelling of 12604022 in words is "twelve million, six hundred four thousand, twenty-two".