12354870247 has 4 divisors (see below), whose sum is σ = 12528882576. Its totient is φ = 12180857920.

The previous prime is 12354870193. The next prime is 12354870313. The reversal of 12354870247 is 74207845321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74207845321 = 70141 ⋅1057981.

It is a cyclic number.

It is not a de Polignac number, because 12354870247 - 2¹⁵ = 12354837479 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 (12354670247) 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, 87006058 + ... + 87006199.

It is an arithmetic number, because the mean of its divisors is an integer number (3132220644).

Almost surely, 2^12354870247 is an apocalyptic number.

12354870247 is a deficient number, since it is larger than the sum of its proper divisors (174012329).

12354870247 is an equidigital number, since it uses as much as digits as its factorization.

12354870247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174012328.

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 12354870247 in words is "twelve billion, three hundred fifty-four million, eight hundred seventy thousand, two hundred forty-seven".