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12894464 = 281119241
BaseRepresentation
bin110001001100…
…000100000000
3220021002212202
4301030010000
511300110324
61140212332
7214413122
oct61140400
926232782
1012894464
117307890
12439a0a8
13289617b
1419d9212
1511ea8ae
hexc4c100

12894464 has 72 divisors (see below), whose sum is σ = 29678880. Its totient is φ = 5529600.

The previous prime is 12894457. The next prime is 12894487. The reversal of 12894464 is 46449821.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 53384 + ... + 53624.

Almost surely, 212894464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12894464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14839440).

12894464 is an abundant number, since it is smaller than the sum of its proper divisors (16784416).

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

12894464 is a wasteful number, since it uses less digits than its factorization.

12894464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 273 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 12894464 is about 3590.8862415844. The cubic root of 12894464 is about 234.4954559246.

The spelling of 12894464 in words is "twelve million, eight hundred ninety-four thousand, four hundred sixty-four".

Divisors: 1 2 4 8 11 16 19 22 32 38 44 64 76 88 128 152 176 209 241 256 304 352 418 482 608 704 836 964 1216 1408 1672 1928 2432 2651 2816 3344 3856 4579 4864 5302 6688 7712 9158 10604 13376 15424 18316 21208 26752 30848 36632 42416 50369 53504 61696 73264 84832 100738 146528 169664 201476 293056 339328 402952 586112 678656 805904 1172224 1611808 3223616 6447232 12894464