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12770814 = 237304067
BaseRepresentation
bin110000101101…
…110111111110
3220000211021010
4300231313332
511232131224
61133420050
7213356460
oct60556776
926024233
1012770814
1172329a1
12433a626
132851ac4
1419a6130
1511c3e29
hexc2ddfe

12770814 has 16 divisors (see below), whose sum is σ = 29190528. Its totient is φ = 3648792.

The previous prime is 12770801. The next prime is 12770837. The reversal of 12770814 is 41807721.

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, 151992 + ... + 152075.

It is an arithmetic number, because the mean of its divisors is an integer number (1824408).

Almost surely, 212770814 is an apocalyptic number.

12770814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12770814 is an abundant number, since it is smaller than the sum of its proper divisors (16419714).

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

12770814 is a wasteful number, since it uses less digits than its factorization.

12770814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304079.

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 12770814 is about 3573.6275687318. The cubic root of 12770814 is about 233.7434912922.

The spelling of 12770814 in words is "twelve million, seven hundred seventy thousand, eight hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 304067 608134 912201 1824402 2128469 4256938 6385407 12770814