13077855 has 60 divisors (see below), whose sum is σ = 27312120. Its totient is φ = 5969376.

The previous prime is 13077847. The next prime is 13077859. The reversal of 13077855 is 55877031.

It is not a de Polignac number, because 13077855 - 2³ = 13077847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13077859) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 19516 + ... + 20174.

It is an arithmetic number, because the mean of its divisors is an integer number (455202).

Almost surely, 2^13077855 is an apocalyptic number.

13077855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13077855 is an abundant number, since it is smaller than the sum of its proper divisors (14234265).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13077855 is an equidigital number, since it uses as much as digits as its factorization.

13077855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The square root of 13077855 is about 3616.3317049187. The cubic root of 13077855 is about 235.6019275604.

The spelling of 13077855 in words is "thirteen million, seventy-seven thousand, eight hundred fifty-five".