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13830677 = 71975811
BaseRepresentation
bin110100110000…
…101000010101
3222000200010022
4310300220111
512020040202
61212234525
7225362450
oct64605025
928020108
1013830677
117897213
12476ba45
132b33343
141ba0497
151332ea2
hexd30a15

13830677 has 4 divisors (see below), whose sum is σ = 15806496. Its totient is φ = 11854860.

The previous prime is 13830667. The next prime is 13830679. The reversal of 13830677 is 77603831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13830677 - 220 = 12782101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13830679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 987899 + ... + 987912.

It is an arithmetic number, because the mean of its divisors is an integer number (3951624).

Almost surely, 213830677 is an apocalyptic number.

It is an amenable number.

13830677 is a deficient number, since it is larger than the sum of its proper divisors (1975819).

13830677 is an equidigital number, since it uses as much as digits as its factorization.

13830677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975818.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 13830677 is about 3718.9618174969. The cubic root of 13830677 is about 240.0386338269.

The spelling of 13830677 in words is "thirteen million, eight hundred thirty thousand, six hundred seventy-seven".

Divisors: 1 7 1975811 13830677