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12137884 = 22111914519
BaseRepresentation
bin101110010011…
…010110011100
3211211200001021
4232103112130
511101403014
61112053524
7205112263
oct56232634
924750037
1012137884
116940410
1240942a4
13268c9a5
14187d5da
1510eb624
hexb9359c

12137884 has 24 divisors (see below), whose sum is σ = 24393600. Its totient is φ = 5226480.

The previous prime is 12137861. The next prime is 12137899. The reversal of 12137884 is 48873121.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6424 + ... + 8095.

It is an arithmetic number, because the mean of its divisors is an integer number (1016400).

Almost surely, 212137884 is an apocalyptic number.

It is an amenable number.

12137884 is an abundant number, since it is smaller than the sum of its proper divisors (12255716).

12137884 is a wasteful number, since it uses less digits than its factorization.

12137884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14553 (or 14551 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 12137884 is about 3483.9466126794. The cubic root of 12137884 is about 229.8163878004.

The spelling of 12137884 in words is "twelve million, one hundred thirty-seven thousand, eight hundred eighty-four".

Divisors: 1 2 4 11 19 22 38 44 76 209 418 836 14519 29038 58076 159709 275861 319418 551722 638836 1103444 3034471 6068942 12137884