13512493387847 has 2 divisors, whose sum is σ = 13512493387848. Its totient is φ = 13512493387846.

The previous prime is 13512493387801. The next prime is 13512493387873. The reversal of 13512493387847 is 74878339421531.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13512493387847 - 2¹⁰ = 13512493386823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13512453387847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6756246693923 + 6756246693924.

It is an arithmetic number, because the mean of its divisors is an integer number (6756246693924).

Almost surely, 2^{13512493387847} is an apocalyptic number.

13512493387847 is a deficient number, since it is larger than the sum of its proper divisors (1).

13512493387847 is an equidigital number, since it uses as much as digits as its factorization.

13512493387847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 121927680, while the sum is 65.

The spelling of 13512493387847 in words is "thirteen trillion, five hundred twelve billion, four hundred ninety-three million, three hundred eighty-seven thousand, eight hundred forty-seven".