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12557068 = 223139267
BaseRepresentation
bin101111111001…
…101100001100
3212121222001121
4233321230030
511203311233
61125050324
7211506346
oct57715414
925558047
1012557068
1170a7347
1242569a4
1327a8724
14194c296
15118092d
hexbf9b0c

12557068 has 6 divisors (see below), whose sum is σ = 21974876. Its totient is φ = 6278532.

The previous prime is 12557063. The next prime is 12557071. The reversal of 12557068 is 86075521.

It is not an unprimeable number, because it can be changed into a prime (12557063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1569630 + ... + 1569637.

Almost surely, 212557068 is an apocalyptic number.

It is an amenable number.

12557068 is a deficient number, since it is larger than the sum of its proper divisors (9417808).

12557068 is a wasteful number, since it uses less digits than its factorization.

12557068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139271 (or 3139269 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 12557068 is about 3543.5953493592. The cubic root of 12557068 is about 232.4320871520.

The spelling of 12557068 in words is "twelve million, five hundred fifty-seven thousand, sixty-eight".

Divisors: 1 2 4 3139267 6278534 12557068