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12752988 = 2238911941
BaseRepresentation
bin110000101001…
…100001011100
3212222220210220
4300221201130
511231043423
61133201340
7213253503
oct60514134
925886726
1012752988
117220566
124330250
132846961
14199d83a
1511bd9e3
hexc2985c

12752988 has 24 divisors (see below), whose sum is σ = 30093840. Its totient is φ = 4202880.

The previous prime is 12752977. The next prime is 12753001. The reversal of 12752988 is 88925721.

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, 4903 + ... + 7038.

It is an arithmetic number, because the mean of its divisors is an integer number (1253910).

Almost surely, 212752988 is an apocalyptic number.

It is an amenable number.

12752988 is an abundant number, since it is smaller than the sum of its proper divisors (17340852).

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

12752988 is a wasteful number, since it uses less digits than its factorization.

12752988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12037 (or 12035 counting only the distinct ones).

The product of its digits is 80640, while the sum is 42.

The square root of 12752988 is about 3571.1325934499. The cubic root of 12752988 is about 233.6346845587.

The spelling of 12752988 in words is "twelve million, seven hundred fifty-two thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 89 178 267 356 534 1068 11941 23882 35823 47764 71646 143292 1062749 2125498 3188247 4250996 6376494 12752988