12604553707 has 4 divisors (see below), whose sum is σ = 13039193520. Its totient is φ = 12169913896.

The previous prime is 12604553657. The next prime is 12604553737. The reversal of 12604553707 is 70735540621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70735540621 = 138977 ⋅508973.

It is a cyclic number.

It is not a de Polignac number, because 12604553707 - 2²⁷ = 12470335979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12604553707.

It is not an unprimeable number, because it can be changed into a prime (12604553737) 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, 217319863 + ... + 217319920.

It is an arithmetic number, because the mean of its divisors is an integer number (3259798380).

Almost surely, 2^12604553707 is an apocalyptic number.

12604553707 is a deficient number, since it is larger than the sum of its proper divisors (434639813).

12604553707 is an equidigital number, since it uses as much as digits as its factorization.

12604553707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434639812.

The product of its (nonzero) digits is 176400, while the sum is 40.

The spelling of 12604553707 in words is "twelve billion, six hundred four million, five hundred fifty-three thousand, seven hundred seven".