13126471881447 has 32 divisors (see below), whose sum is σ = 18986161682880. Its totient is φ = 8034198036480.

The previous prime is 13126471881437. The next prime is 13126471881547. The reversal of 13126471881447 is 74418817462131.

It is not a de Polignac number, because 13126471881447 - 2¹⁹ = 13126471357159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13126471881407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14466453 + ... + 15347025.

It is an arithmetic number, because the mean of its divisors is an integer number (593317552590).

Almost surely, 2^{13126471881447} is an apocalyptic number.

13126471881447 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13126471881447 is a deficient number, since it is larger than the sum of its proper divisors (5859689801433).

13126471881447 is a wasteful number, since it uses less digits than its factorization.

13126471881447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887763.

The product of its digits is 7225344, while the sum is 57.

The spelling of 13126471881447 in words is "thirteen trillion, one hundred twenty-six billion, four hundred seventy-one million, eight hundred eighty-one thousand, four hundred forty-seven".