Base | Representation |
---|---|
bin | 101111010101… |
… | …010001101001 |
3 | 212100101110100 |
4 | 233111101221 |
5 | 11134023123 |
6 | 1121540013 |
7 | 210315450 |
oct | 57252151 |
9 | 25311410 |
10 | 12407913 |
11 | 7005281 |
12 | 41a4609 |
13 | 275587b |
14 | 190db97 |
15 | 1151643 |
hex | bd5469 |
12407913 has 24 divisors (see below), whose sum is σ = 21040448. Its totient is φ = 6897312.
The previous prime is 12407891. The next prime is 12407917. The reversal of 12407913 is 31970421.
It is not a de Polignac number, because 12407913 - 221 = 10310761 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12407917) by changing a digit.
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, 331 + ... + 4992.
Almost surely, 212407913 is an apocalyptic number.
It is an amenable number.
12407913 is a deficient number, since it is larger than the sum of its proper divisors (8632535).
12407913 is a wasteful number, since it uses less digits than its factorization.
12407913 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5373 (or 5370 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 27.
The square root of 12407913 is about 3522.4867636373. The cubic root of 12407913 is about 231.5081297768.
The spelling of 12407913 in words is "twelve million, four hundred seven thousand, nine hundred thirteen".
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