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13628677 = 27749201
BaseRepresentation
bin110011111111…
…010100000101
3221122102000211
4303333110011
511442104202
61204035421
7223561516
oct63772405
927572024
1013628677
117769477
124692b71
132a9240a
141b4aa0d
1512e31d7
hexcff505

13628677 has 4 divisors (see below), whose sum is σ = 13678156. Its totient is φ = 13579200.

The previous prime is 13628653. The next prime is 13628707. The reversal of 13628677 is 77682631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1560001 + 12068676 = 1249^2 + 3474^2 .

It is a cyclic number.

It is not a de Polignac number, because 13628677 - 219 = 13104389 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 (13628647) 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, 24324 + ... + 24877.

It is an arithmetic number, because the mean of its divisors is an integer number (3419539).

Almost surely, 213628677 is an apocalyptic number.

It is an amenable number.

13628677 is a deficient number, since it is larger than the sum of its proper divisors (49479).

13628677 is an equidigital number, since it uses as much as digits as its factorization.

13628677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49478.

The product of its digits is 84672, while the sum is 40.

The square root of 13628677 is about 3691.7038071871. The cubic root of 13628677 is about 238.8642927464.

The spelling of 13628677 in words is "thirteen million, six hundred twenty-eight thousand, six hundred seventy-seven".

Divisors: 1 277 49201 13628677