Base | Representation |
---|---|
bin | 110010011010… |
… | …010000110100 |
3 | 220212101021000 |
4 | 302122100310 |
5 | 11340333042 |
6 | 1151123300 |
7 | 220216014 |
oct | 62322064 |
9 | 26771230 |
10 | 13214772 |
11 | 75064aa |
12 | 4513530 |
13 | 2978bbc |
14 | 1a7dc44 |
15 | 126074c |
hex | c9a434 |
13214772 has 48 divisors (see below), whose sum is σ = 35197120. Its totient is φ = 4284576.
The previous prime is 13214771. The next prime is 13214777. The reversal of 13214772 is 27741231.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13214771) 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, 2343 + ... + 5649.
Almost surely, 213214772 is an apocalyptic number.
13214772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13214772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17598560).
13214772 is an abundant number, since it is smaller than the sum of its proper divisors (21982348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13214772 is a wasteful number, since it uses less digits than its factorization.
13214772 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3357 (or 3349 counting only the distinct ones).
The product of its digits is 2352, while the sum is 27.
The square root of 13214772 is about 3635.2127860691. The cubic root of 13214772 is about 236.4212766544.
The spelling of 13214772 in words is "thirteen million, two hundred fourteen thousand, seven hundred seventy-two".
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