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12748494 = 2311419461
BaseRepresentation
bin110000101000…
…011011001110
3212222200122110
4300220123032
511230422434
61133124450
7213234423
oct60503316
925880573
1012748494
117218150
124329726
1328448b5
14199bd4a
1511bc4e9
hexc286ce

12748494 has 32 divisors (see below), whose sum is σ = 27941760. Its totient is φ = 3845600.

The previous prime is 12748493. The next prime is 12748513. The reversal of 12748494 is 49484721.

Its product of digits (64512) is a multiple of the sum of its prime divisors (896).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12748493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27424 + ... + 27884.

It is an arithmetic number, because the mean of its divisors is an integer number (873180).

Almost surely, 212748494 is an apocalyptic number.

12748494 is an abundant number, since it is smaller than the sum of its proper divisors (15193266).

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

12748494 is a wasteful number, since it uses less digits than its factorization.

12748494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896.

The product of its digits is 64512, while the sum is 39.

The square root of 12748494 is about 3570.5033258632. The cubic root of 12748494 is about 233.6072379810.

The spelling of 12748494 in words is "twelve million, seven hundred forty-eight thousand, four hundred ninety-four".

Divisors: 1 2 3 6 11 22 33 66 419 461 838 922 1257 1383 2514 2766 4609 5071 9218 10142 13827 15213 27654 30426 193159 386318 579477 1158954 2124749 4249498 6374247 12748494