13201203077 has 2 divisors, whose sum is σ = 13201203078. Its totient is φ = 13201203076.

The previous prime is 13201203031. The next prime is 13201203107. The reversal of 13201203077 is 77030210231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10247715361 + 2953487716 = 101231^2 + 54346^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13201203077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13201203677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6600601538 + 6600601539.

It is an arithmetic number, because the mean of its divisors is an integer number (6600601539).

Almost surely, 2^13201203077 is an apocalyptic number.

It is an amenable number.

13201203077 is a deficient number, since it is larger than the sum of its proper divisors (1).

13201203077 is an equidigital number, since it uses as much as digits as its factorization.

13201203077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 26.

The spelling of 13201203077 in words is "thirteen billion, two hundred one million, two hundred three thousand, seventy-seven".