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13206054 = 2312971697
BaseRepresentation
bin110010011000…
…001000100110
3220211221022010
4302120020212
511340043204
61151015050
7220151421
oct62301046
926757263
1013206054
1174aa9a4
12450a486
132974c44
141a7a9b8
15125cd89
hexc98226

13206054 has 16 divisors (see below), whose sum is σ = 26448048. Its totient is φ = 4396032.

The previous prime is 13206043. The next prime is 13206131. The reversal of 13206054 is 45060231.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13206054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6934 + ... + 8630.

It is an arithmetic number, because the mean of its divisors is an integer number (1653003).

Almost surely, 213206054 is an apocalyptic number.

13206054 is an abundant number, since it is smaller than the sum of its proper divisors (13241994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13206054 is a wasteful number, since it uses less digits than its factorization.

13206054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 13206054 is about 3634.0134837394. The cubic root of 13206054 is about 236.3692748969.

Adding to 13206054 its reverse (45060231), we get a palindrome (58266285).

The spelling of 13206054 in words is "thirteen million, two hundred six thousand, fifty-four".

Divisors: 1 2 3 6 1297 1697 2594 3394 3891 5091 7782 10182 2201009 4402018 6603027 13206054