13277385 has 32 divisors (see below), whose sum is σ = 25752960. Its totient is φ = 6436800.

The previous prime is 13277351. The next prime is 13277437. The reversal of 13277385 is 58377231.

13277385 is a `hidden beast` number, since 1 + 3 + 277 + 385 = 666.

It is not a de Polignac number, because 13277385 - 2⁸ = 13277129 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2986 + ... + 5955.

It is an arithmetic number, because the mean of its divisors is an integer number (804780).

Almost surely, 2^13277385 is an apocalyptic number.

13277385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13277385 is a deficient number, since it is larger than the sum of its proper divisors (12475575).

13277385 is a wasteful number, since it uses less digits than its factorization.

13277385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8966 (or 8960 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 13277385 is about 3643.8146220685. The cubic root of 13277385 is about 236.7940848843.

The spelling of 13277385 in words is "thirteen million, two hundred seventy-seven thousand, three hundred eighty-five".