12604071 has 4 divisors (see below), whose sum is σ = 16805432. Its totient is φ = 8402712.

The previous prime is 12604061. The next prime is 12604099. The reversal of 12604071 is 17040621.

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

It is not a de Polignac number, because 12604071 - 2¹⁰ = 12603047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12604001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2100676 + ... + 2100681.

It is an arithmetic number, because the mean of its divisors is an integer number (4201358).

Almost surely, 2^12604071 is an apocalyptic number.

12604071 is a deficient number, since it is larger than the sum of its proper divisors (4201361).

12604071 is an equidigital number, since it uses as much as digits as its factorization.

12604071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201360.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 12604071 is about 3550.2212607104. The cubic root of 12604071 is about 232.7217355093.

Adding to 12604071 its reverse (17040621), we get a palindrome (29644692).

The spelling of 12604071 in words is "twelve million, six hundred four thousand, seventy-one".