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13386261 = 37313009
BaseRepresentation
bin110011000100…
…001000010101
3221012002111110
4303010020111
511411330021
61154525233
7221532000
oct63041025
927162443
1013386261
117613329
124596819
132a08c85
141ac6537
151296476
hexcc4215

13386261 has 16 divisors (see below), whose sum is σ = 20816000. Its totient is φ = 7648704.

The previous prime is 13386257. The next prime is 13386271. The reversal of 13386261 is 16268331.

It is not a de Polignac number, because 13386261 - 22 = 13386257 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 (13386271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5476 + ... + 7533.

It is an arithmetic number, because the mean of its divisors is an integer number (1301000).

Almost surely, 213386261 is an apocalyptic number.

It is an amenable number.

13386261 is a deficient number, since it is larger than the sum of its proper divisors (7429739).

13386261 is an equidigital number, since it uses as much as digits as its factorization.

13386261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13033 (or 13019 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 13386261 is about 3658.7239578848. The cubic root of 13386261 is about 237.4395694820.

The spelling of 13386261 in words is "thirteen million, three hundred eighty-six thousand, two hundred sixty-one".

Divisors: 1 3 7 21 49 147 343 1029 13009 39027 91063 273189 637441 1912323 4462087 13386261