13077861 has 16 divisors (see below), whose sum is σ = 17791488. Its totient is φ = 8543600.

The previous prime is 13077859. The next prime is 13077901. The reversal of 13077861 is 16877031.

13077861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13077861 - 2¹ = 13077859 is a prime.

It is a congruent number.

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, 41896 + ... + 42206.

It is an arithmetic number, because the mean of its divisors is an integer number (1111968).

Almost surely, 2^13077861 is an apocalyptic number.

It is an amenable number.

13077861 is a deficient number, since it is larger than the sum of its proper divisors (4713627).

13077861 is a wasteful number, since it uses less digits than its factorization.

13077861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 13077861 is about 3616.3325344885. The cubic root of 13077861 is about 235.6019635911.

The spelling of 13077861 in words is "thirteen million, seventy-seven thousand, eight hundred sixty-one".