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12993392 = 242941683
BaseRepresentation
bin110001100100…
…001101110000
3220110010120202
4301210031300
511311242032
61142254332
7215304416
oct61441560
926403522
1012993392
117375145
1244273a8
1328cc1c9
141a232b6
151219d62
hexc64370

12993392 has 40 divisors (see below), whose sum is σ = 26717040. Its totient is φ = 6110720.

The previous prime is 12993391. The next prime is 12993419. The reversal of 12993392 is 29339921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12993391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18683 + ... + 19365.

It is an arithmetic number, because the mean of its divisors is an integer number (667926).

Almost surely, 212993392 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 12993392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13358520).

12993392 is an abundant number, since it is smaller than the sum of its proper divisors (13723648).

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

12993392 is a wasteful number, since it uses less digits than its factorization.

12993392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761 (or 755 counting only the distinct ones).

The product of its digits is 26244, while the sum is 38.

The square root of 12993392 is about 3604.6347942614. The cubic root of 12993392 is about 235.0936219695.

The spelling of 12993392 in words is "twelve million, nine hundred ninety-three thousand, three hundred ninety-two".

Divisors: 1 2 4 8 16 29 41 58 82 116 164 232 328 464 656 683 1189 1366 2378 2732 4756 5464 9512 10928 19024 19807 28003 39614 56006 79228 112012 158456 224024 316912 448048 812087 1624174 3248348 6496696 12993392