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12632872 = 2371931383
BaseRepresentation
bin110000001100…
…001100101000
3212202211001011
4300030030220
511213222442
61130433304
7212243350
oct60141450
925684034
1012632872
11714929a
124292834
132804095
14196bb60
151198117
hexc0c328

12632872 has 64 divisors (see below), whose sum is σ = 29491200. Its totient is φ = 4950720.

The previous prime is 12632861. The next prime is 12632881. The reversal of 12632872 is 27823621.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32793 + ... + 33175.

It is an arithmetic number, because the mean of its divisors is an integer number (460800).

Almost surely, 212632872 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 12632872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14745600).

12632872 is an abundant number, since it is smaller than the sum of its proper divisors (16858328).

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

12632872 is a wasteful number, since it uses less digits than its factorization.

12632872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 442 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 12632872 is about 3554.2751722398. The cubic root of 12632872 is about 232.8988613466.

The spelling of 12632872 in words is "twelve million, six hundred thirty-two thousand, eight hundred seventy-two".

Divisors: 1 2 4 7 8 14 19 28 31 38 56 62 76 124 133 152 217 248 266 383 434 532 589 766 868 1064 1178 1532 1736 2356 2681 3064 4123 4712 5362 7277 8246 10724 11873 14554 16492 21448 23746 29108 32984 47492 50939 58216 83111 94984 101878 166222 203756 225587 332444 407512 451174 664888 902348 1579109 1804696 3158218 6316436 12632872