13287398129 has 2 divisors, whose sum is σ = 13287398130. Its totient is φ = 13287398128.

The previous prime is 13287398119. The next prime is 13287398143. The reversal of 13287398129 is 92189378231.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11740155904 + 1547242225 = 108352^2 + 39335^2 .

It is an emirp because it is prime and its reverse (92189378231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13287398129 - 2²⁸ = 13018962673 is a prime.

It is not a weakly prime, because it can be changed into another prime (13287398119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6643699064 + 6643699065.

It is an arithmetic number, because the mean of its divisors is an integer number (6643699065).

Almost surely, 2^13287398129 is an apocalyptic number.

It is an amenable number.

13287398129 is a deficient number, since it is larger than the sum of its proper divisors (1).

13287398129 is an equidigital number, since it uses as much as digits as its factorization.

13287398129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 53.

The spelling of 13287398129 in words is "thirteen billion, two hundred eighty-seven million, three hundred ninety-eight thousand, one hundred twenty-nine".