Base | Representation |
---|---|
bin | 101110010001… |
… | …111101100101 |
3 | 211211101020122 |
4 | 232101331211 |
5 | 11101212242 |
6 | 1112011325 |
7 | 205056560 |
oct | 56217545 |
9 | 24741218 |
10 | 12132197 |
11 | 6937110 |
12 | 4090b45 |
13 | 268a21c |
14 | 187b4d7 |
15 | 10e9ad2 |
hex | b91f65 |
12132197 has 8 divisors (see below), whose sum is σ = 15125952. Its totient is φ = 9453600.
The previous prime is 12132151. The next prime is 12132217. The reversal of 12132197 is 79123121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12132197 - 210 = 12131173 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12132097) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78704 + ... + 78857.
It is an arithmetic number, because the mean of its divisors is an integer number (1890744).
Almost surely, 212132197 is an apocalyptic number.
It is an amenable number.
12132197 is a deficient number, since it is larger than the sum of its proper divisors (2993755).
12132197 is a wasteful number, since it uses less digits than its factorization.
12132197 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 157579.
The product of its digits is 756, while the sum is 26.
The square root of 12132197 is about 3483.1303449627. The cubic root of 12132197 is about 229.7804900011.
The spelling of 12132197 in words is "twelve million, one hundred thirty-two thousand, one hundred ninety-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •