Base | Representation |
---|---|
bin | 110001100100… |
… | …101110001110 |
3 | 220110020102201 |
4 | 301210232032 |
5 | 11311323340 |
6 | 1142312114 |
7 | 215313445 |
oct | 61445616 |
9 | 26406381 |
10 | 12995470 |
11 | 7376764 |
12 | 442863a |
13 | 2900137 |
14 | 1a23d5c |
15 | 121a79a |
hex | c64b8e |
12995470 has 16 divisors (see below), whose sum is σ = 23462208. Its totient is φ = 5182560.
The previous prime is 12995467. The next prime is 12995491. The reversal of 12995470 is 7459921.
12995470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1900 + ... + 5440.
It is an arithmetic number, because the mean of its divisors is an integer number (1466388).
Almost surely, 212995470 is an apocalyptic number.
12995470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12995470 is a deficient number, since it is larger than the sum of its proper divisors (10466738).
12995470 is a wasteful number, since it uses less digits than its factorization.
12995470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3915.
The product of its (nonzero) digits is 22680, while the sum is 37.
The square root of 12995470 is about 3604.9230227565. The cubic root of 12995470 is about 235.1061539424.
The spelling of 12995470 in words is "twelve million, nine hundred ninety-five thousand, four hundred seventy".
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