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12937944 = 233292641
BaseRepresentation
bin110001010110…
…101011011000
3220100022112010
4301112223120
511303003234
61141145520
7214653645
oct61265330
926308463
1012937944
117337518
1243bb2a0
1328acbb6
141a0adcc
1512086e9
hexc56ad8

12937944 has 48 divisors (see below), whose sum is σ = 33550920. Its totient is φ = 4157440.

The previous prime is 12937931. The next prime is 12937949. The reversal of 12937944 is 44973921.

12937944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12937949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19864 + ... + 20504.

Almost surely, 212937944 is an apocalyptic number.

12937944 is the 1923-rd nonagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12937944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16775460).

12937944 is an abundant number, since it is smaller than the sum of its proper divisors (20612976).

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

12937944 is a wasteful number, since it uses less digits than its factorization.

12937944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708 (or 675 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 12937944 is about 3596.9353622216. The cubic root of 12937944 is about 234.7587323128.

The spelling of 12937944 in words is "twelve million, nine hundred thirty-seven thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 29 58 87 116 174 232 348 641 696 841 1282 1682 1923 2523 2564 3364 3846 5046 5128 6728 7692 10092 15384 18589 20184 37178 55767 74356 111534 148712 223068 446136 539081 1078162 1617243 2156324 3234486 4312648 6468972 12937944