Base | Representation |
---|---|
bin | 110000011010… |
… | …010110100100 |
3 | 212212202120120 |
4 | 300122112210 |
5 | 11222101402 |
6 | 1132001540 |
7 | 212604366 |
oct | 60322644 |
9 | 25782516 |
10 | 12690852 |
11 | 7188909 |
12 | 43002b0 |
13 | 28245a5 |
14 | 1984d36 |
15 | 11aa3bc |
hex | c1a5a4 |
12690852 has 48 divisors (see below), whose sum is σ = 30821952. Its totient is φ = 4060800.
The previous prime is 12690851. The next prime is 12690859. The reversal of 12690852 is 25809621.
It is a super-2 number, since 2×126908522 = 322115448971808, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12690851) 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, 44703 + ... + 44985.
It is an arithmetic number, because the mean of its divisors is an integer number (642124).
Almost surely, 212690852 is an apocalyptic number.
12690852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12690852 is an abundant number, since it is smaller than the sum of its proper divisors (18131100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12690852 is a wasteful number, since it uses less digits than its factorization.
12690852 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 428 (or 426 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 33.
The square root of 12690852 is about 3562.4222096770. The cubic root of 12690852 is about 233.2546228847.
The spelling of 12690852 in words is "twelve million, six hundred ninety thousand, eight hundred fifty-two".
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