12345627017 has 4 divisors (see below), whose sum is σ = 12995396880. Its totient is φ = 11695857156.

The previous prime is 12345627013. The next prime is 12345627043. The reversal of 12345627017 is 71072654321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71072654321 = 647 ⋅109849543.

It is a cyclic number.

It is not a de Polignac number, because 12345627017 - 2² = 12345627013 is a prime.

It is a super-5 number, since 5×12345627017⁵ (a number of 52 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12345627013) 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, 324884903 + ... + 324884940.

It is an arithmetic number, because the mean of its divisors is an integer number (3248849220).

Almost surely, 2^12345627017 is an apocalyptic number.

It is an amenable number.

12345627017 is a deficient number, since it is larger than the sum of its proper divisors (649769863).

12345627017 is an equidigital number, since it uses as much as digits as its factorization.

12345627017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649769862.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 12345627017 in words is "twelve billion, three hundred forty-five million, six hundred twenty-seven thousand, seventeen".