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12955894 = 272731811
BaseRepresentation
bin110001011011…
…000011110110
3220101020010221
4301123003312
511304042034
61141404554
7215060200
oct61330366
926336127
1012955894
117349a56
12440975a
1328b8113
141a13770
15120dbb4
hexc5b0f6

12955894 has 24 divisors (see below), whose sum is σ = 22929048. Its totient is φ = 5473440.

The previous prime is 12955889. The next prime is 12955913. The reversal of 12955894 is 49855921.

It is a self number, because there is not a number n which added to its sum of digits gives 12955894.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 6249 + ... + 8059.

It is an arithmetic number, because the mean of its divisors is an integer number (955377).

Almost surely, 212955894 is an apocalyptic number.

12955894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12955894 is a deficient number, since it is larger than the sum of its proper divisors (9973154).

12955894 is a wasteful number, since it uses less digits than its factorization.

12955894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900 (or 1893 counting only the distinct ones).

The product of its digits is 129600, while the sum is 43.

The square root of 12955894 is about 3599.4296770461. The cubic root of 12955894 is about 234.8672496053.

The spelling of 12955894 in words is "twelve million, nine hundred fifty-five thousand, eight hundred ninety-four".

Divisors: 1 2 7 14 49 73 98 146 511 1022 1811 3577 3622 7154 12677 25354 88739 132203 177478 264406 925421 1850842 6477947 12955894