12605338057 has 8 divisors (see below), whose sum is σ = 13650819840. Its totient is φ = 11570690640.

The previous prime is 12605338043. The next prime is 12605338087. The reversal of 12605338057 is 75083350621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12605338057 - 2⁷ = 12605337929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12605338087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2706169 + ... + 2710822.

It is an arithmetic number, because the mean of its divisors is an integer number (1706352480).

Almost surely, 2^12605338057 is an apocalyptic number.

It is an amenable number.

12605338057 is a deficient number, since it is larger than the sum of its proper divisors (1045481783).

12605338057 is a wasteful number, since it uses less digits than its factorization.

12605338057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5417183.

The product of its (nonzero) digits is 151200, while the sum is 40.

Adding to 12605338057 its reverse (75083350621), we get a palindrome (87688688678).

The spelling of 12605338057 in words is "twelve billion, six hundred five million, three hundred thirty-eight thousand, fifty-seven".