Base | Representation |
---|---|
bin | 110011111011… |
… | …010101101101 |
3 | 221121120200212 |
4 | 303323111231 |
5 | 11441044042 |
6 | 1203432205 |
7 | 223463201 |
oct | 63732555 |
9 | 27546625 |
10 | 13612397 |
11 | 7758217 |
12 | 4685665 |
13 | 2a87b96 |
14 | 1b44b01 |
15 | 12dd482 |
hex | cfb56d |
13612397 has 8 divisors (see below), whose sum is σ = 14131200. Its totient is φ = 13096944.
The previous prime is 13612387. The next prime is 13612399. The reversal of 13612397 is 79321631.
It is a happy number.
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 13612397 - 28 = 13612141 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 (13612399) 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, 10004 + ... + 11282.
It is an arithmetic number, because the mean of its divisors is an integer number (1766400).
Almost surely, 213612397 is an apocalyptic number.
It is an amenable number.
13612397 is a deficient number, since it is larger than the sum of its proper divisors (518803).
13612397 is a wasteful number, since it uses less digits than its factorization.
13612397 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1675.
The product of its digits is 6804, while the sum is 32.
The square root of 13612397 is about 3689.4982043633. The cubic root of 13612397 is about 238.7691438648.
The spelling of 13612397 in words is "thirteen million, six hundred twelve thousand, three hundred ninety-seven".
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