Base | Representation |
---|---|
bin | 110010011000… |
… | …010000101100 |
3 | 220211222000022 |
4 | 302120100230 |
5 | 11340102242 |
6 | 1151021312 |
7 | 220153061 |
oct | 62302054 |
9 | 26758008 |
10 | 13206572 |
11 | 7500325 |
12 | 450a838 |
13 | 2975252 |
14 | 1a7ac68 |
15 | 125d0d2 |
hex | c9842c |
13206572 has 12 divisors (see below), whose sum is σ = 23136960. Its totient is φ = 6596016.
The previous prime is 13206563. The next prime is 13206581. The reversal of 13206572 is 27560231.
It is an interprime number because it is at equal distance from previous prime (13206563) and next prime (13206581).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6098 + ... + 7974.
It is an arithmetic number, because the mean of its divisors is an integer number (1928080).
Almost surely, 213206572 is an apocalyptic number.
13206572 is the 1943-rd centered heptagonal number.
It is an amenable number.
13206572 is a deficient number, since it is larger than the sum of its proper divisors (9930388).
13206572 is a wasteful number, since it uses less digits than its factorization.
13206572 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3640 (or 3638 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 26.
The square root of 13206572 is about 3634.0847541025. The cubic root of 13206572 is about 236.3723653402.
The spelling of 13206572 in words is "thirteen million, two hundred six thousand, five hundred seventy-two".
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