13400012971 has 2 divisors, whose sum is σ = 13400012972. Its totient is φ = 13400012970.

The previous prime is 13400012929. The next prime is 13400012993. The reversal of 13400012971 is 17921000431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13400012971 - 2²¹ = 13397915819 is a prime.

It is not a weakly prime, because it can be changed into another prime (13400012921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6700006485 + 6700006486.

It is an arithmetic number, because the mean of its divisors is an integer number (6700006486).

Almost surely, 2^13400012971 is an apocalyptic number.

13400012971 is a deficient number, since it is larger than the sum of its proper divisors (1).

13400012971 is an equidigital number, since it uses as much as digits as its factorization.

13400012971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The spelling of 13400012971 in words is "thirteen billion, four hundred million, twelve thousand, nine hundred seventy-one".