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13877107 = 67207121
BaseRepresentation
bin110100111011…
…111101110011
3222010000210221
4310323331303
512023031412
61213233511
7225645016
oct64737563
928100727
1013877107
117919092
124792897
132b4b50a
141bb337d
151341b07
hexd3bf73

13877107 has 4 divisors (see below), whose sum is σ = 14084296. Its totient is φ = 13669920.

The previous prime is 13877099. The next prime is 13877113. The reversal of 13877107 is 70177831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70177831 = 312263801.

It is a cyclic number.

It is not a de Polignac number, because 13877107 - 23 = 13877099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13877137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103494 + ... + 103627.

It is an arithmetic number, because the mean of its divisors is an integer number (3521074).

Almost surely, 213877107 is an apocalyptic number.

13877107 is a deficient number, since it is larger than the sum of its proper divisors (207189).

13877107 is an equidigital number, since it uses as much as digits as its factorization.

13877107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207188.

The product of its (nonzero) digits is 8232, while the sum is 34.

The square root of 13877107 is about 3725.1989208632. The cubic root of 13877107 is about 240.3069394593.

The spelling of 13877107 in words is "thirteen million, eight hundred seventy-seven thousand, one hundred seven".

Divisors: 1 67 207121 13877107