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13201371 = 321977201
BaseRepresentation
bin110010010110…
…111111011011
3220211200212200
4302112333123
511334420441
61150541243
7220131651
oct62267733
926750780
1013201371
1174a7427
124507823
132972a81
141a78dd1
15125b7b6
hexc96fdb

13201371 has 12 divisors (see below), whose sum is σ = 20072520. Its totient is φ = 8337600.

The previous prime is 13201337. The next prime is 13201373. The reversal of 13201371 is 17310231.

It is not a de Polignac number, because 13201371 - 213 = 13193179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13201373) 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, 38430 + ... + 38771.

It is an arithmetic number, because the mean of its divisors is an integer number (1672710).

Almost surely, 213201371 is an apocalyptic number.

13201371 is a deficient number, since it is larger than the sum of its proper divisors (6871149).

13201371 is a wasteful number, since it uses less digits than its factorization.

13201371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77226 (or 77223 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 13201371 is about 3633.3690976833. The cubic root of 13201371 is about 236.3413319504.

The spelling of 13201371 in words is "thirteen million, two hundred one thousand, three hundred seventy-one".

Divisors: 1 3 9 19 57 171 77201 231603 694809 1466819 4400457 13201371