13077811 has 16 divisors (see below), whose sum is σ = 14696640. Its totient is φ = 11576320.

The previous prime is 13077809. The next prime is 13077821. The reversal of 13077811 is 11877031.

It is not a de Polignac number, because 13077811 - 2¹ = 13077809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13077811.

It is not an unprimeable number, because it can be changed into a prime (13077821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19890 + ... + 20536.

It is an arithmetic number, because the mean of its divisors is an integer number (918540).

Almost surely, 2^13077811 is an apocalyptic number.

13077811 is a deficient number, since it is larger than the sum of its proper divisors (1618829).

13077811 is a wasteful number, since it uses less digits than its factorization.

13077811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734.

The product of its (nonzero) digits is 1176, while the sum is 28.

The square root of 13077811 is about 3616.3256214008. The cubic root of 13077811 is about 235.6016633352.

The spelling of 13077811 in words is "thirteen million, seventy-seven thousand, eight hundred eleven".