Base | Representation |
---|---|
bin | 101111000110… |
… | …111000101100 |
3 | 212020101121100 |
4 | 233012320230 |
5 | 11130131342 |
6 | 1120403100 |
7 | 206651556 |
oct | 57067054 |
9 | 25211540 |
10 | 12348972 |
11 | 6a74a69 |
12 | 4176490 |
13 | 2734aac |
14 | 18d64d6 |
15 | 113de4c |
hex | bc6e2c |
12348972 has 72 divisors (see below), whose sum is σ = 32754176. Its totient is φ = 3919104.
The previous prime is 12348961. The next prime is 12348991. The reversal of 12348972 is 27984321.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97173 + ... + 97299.
Almost surely, 212348972 is an apocalyptic number.
12348972 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 12348972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16377088).
12348972 is an abundant number, since it is smaller than the sum of its proper divisors (20405204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12348972 is a wasteful number, since it uses less digits than its factorization.
12348972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 247 (or 242 counting only the distinct ones).
The product of its digits is 24192, while the sum is 36.
The square root of 12348972 is about 3514.1104137463. The cubic root of 12348972 is about 231.1409720278.
The spelling of 12348972 in words is "twelve million, three hundred forty-eight thousand, nine hundred seventy-two".
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