12577659133 has 8 divisors (see below), whose sum is σ = 13684813688. Its totient is φ = 11490453504.

The previous prime is 12577659097. The next prime is 12577659187. The reversal of 12577659133 is 33195677521.

It can be written as a sum of positive squares in 4 ways, for example, as 1707094489 + 10870564644 = 41317^2 + 104262^2 .

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 12577659133 - 2¹³ = 12577650941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12577659533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4985916 + ... + 4988437.

It is an arithmetic number, because the mean of its divisors is an integer number (1710601711).

Almost surely, 2^12577659133 is an apocalyptic number.

12577659133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12577659133 is a deficient number, since it is larger than the sum of its proper divisors (1107154555).

12577659133 is an equidigital number, since it uses as much as digits as its factorization.

12577659133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9974463.

The product of its digits is 1190700, while the sum is 49.

The spelling of 12577659133 in words is "twelve billion, five hundred seventy-seven million, six hundred fifty-nine thousand, one hundred thirty-three".