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13381677 = 323147963
BaseRepresentation
bin110011000011…
…000000101101
3221011212012200
4303003000231
511411203202
61154452113
7221512431
oct63030055
927155180
1013381677
11760a941
124594039
132a06b6a
141ac49c1
151294e1c
hexcc302d

13381677 has 12 divisors (see below), whose sum is σ = 19953024. Its totient is φ = 8633160.

The previous prime is 13381663. The next prime is 13381691. The reversal of 13381677 is 77618331.

It is an interprime number because it is at equal distance from previous prime (13381663) and next prime (13381691).

It is not a de Polignac number, because 13381677 - 27 = 13381549 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13381477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23703 + ... + 24260.

It is an arithmetic number, because the mean of its divisors is an integer number (1662752).

Almost surely, 213381677 is an apocalyptic number.

It is an amenable number.

13381677 is a deficient number, since it is larger than the sum of its proper divisors (6571347).

13381677 is a wasteful number, since it uses less digits than its factorization.

13381677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48000 (or 47997 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 13381677 is about 3658.0974563289. The cubic root of 13381677 is about 237.4124634004.

It can be divided in two parts, 133 and 81677, that added together give a triangular number (81810 = T404).

The spelling of 13381677 in words is "thirteen million, three hundred eighty-one thousand, six hundred seventy-seven".

Divisors: 1 3 9 31 93 279 47963 143889 431667 1486853 4460559 13381677