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13371047 = 31342719
BaseRepresentation
bin110011000000…
…011010100111
3221011022121222
4303000122213
511410333142
61154330555
7221436434
oct63003247
927138558
1013371047
117602958
124589a5b
132a02081
141ac0b8b
151291bd2
hexcc06a7

13371047 has 4 divisors (see below), whose sum is σ = 13414080. Its totient is φ = 13328016.

The previous prime is 13370969. The next prime is 13371049. The reversal of 13371047 is 74017331.

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

It is a cyclic number.

It is not a de Polignac number, because 13371047 - 216 = 13305511 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 (13371049) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 21047 + ... + 21672.

It is an arithmetic number, because the mean of its divisors is an integer number (3353520).

Almost surely, 213371047 is an apocalyptic number.

13371047 is a deficient number, since it is larger than the sum of its proper divisors (43033).

13371047 is an equidigital number, since it uses as much as digits as its factorization.

13371047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43032.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 13371047 is about 3656.6442266100. The cubic root of 13371047 is about 237.3495823173.

Adding to 13371047 its reverse (74017331), we get a palindrome (87388378).

The spelling of 13371047 in words is "thirteen million, three hundred seventy-one thousand, forty-seven".

Divisors: 1 313 42719 13371047