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12888494 = 242115307
BaseRepresentation
bin110001001010…
…100110101110
3220020210200122
4301022212232
511244412434
61140124542
7214356533
oct61124656
926223618
1012888494
117303353
124396752
132893538
1419d6d8a
1511e8c2e
hexc4a9ae

12888494 has 8 divisors (see below), whose sum is σ = 19379928. Its totient is φ = 6428520.

The previous prime is 12888461. The next prime is 12888503. The reversal of 12888494 is 49488821.

It is a happy number.

12888494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×128884942 = 332226555176072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6812 + ... + 8495.

It is an arithmetic number, because the mean of its divisors is an integer number (2422491).

Almost surely, 212888494 is an apocalyptic number.

12888494 is a deficient number, since it is larger than the sum of its proper divisors (6491434).

12888494 is a wasteful number, since it uses less digits than its factorization.

12888494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15730.

The product of its digits is 147456, while the sum is 44.

The square root of 12888494 is about 3590.0548742324. The cubic root of 12888494 is about 234.4592607021.

The spelling of 12888494 in words is "twelve million, eight hundred eighty-eight thousand, four hundred ninety-four".

Divisors: 1 2 421 842 15307 30614 6444247 12888494