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12948906 = 232974419
BaseRepresentation
bin110001011001…
…010110101010
3220100212120010
4301121112222
511303331111
61141312350
7215030625
oct61312652
926325503
1012948906
117344783
1244056b6
1328b4b99
141a10dbc
15120baa6
hexc595aa

12948906 has 16 divisors (see below), whose sum is σ = 26791200. Its totient is φ = 4167408.

The previous prime is 12948893. The next prime is 12948911. The reversal of 12948906 is 60984921.

12948906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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, 37036 + ... + 37383.

It is an arithmetic number, because the mean of its divisors is an integer number (1674450).

Almost surely, 212948906 is an apocalyptic number.

12948906 is an abundant number, since it is smaller than the sum of its proper divisors (13842294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12948906 is a wasteful number, since it uses less digits than its factorization.

12948906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74453.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 12948906 is about 3598.4588367800. The cubic root of 12948906 is about 234.8250153525.

The spelling of 12948906 in words is "twelve million, nine hundred forty-eight thousand, nine hundred six".

Divisors: 1 2 3 6 29 58 87 174 74419 148838 223257 446514 2158151 4316302 6474453 12948906