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12041972 = 221923832
BaseRepresentation
bin101101111011…
…111011110100
3211122210110222
4231323323310
511040320342
61110033512
7204232535
oct55737364
924583428
1012041972
116885348
124048898
132658137
14185668c
1510cced2
hexb7bef4

12041972 has 36 divisors (see below), whose sum is σ = 23429280. Its totient is φ = 5390352.

The previous prime is 12041957. The next prime is 12041999. The reversal of 12041972 is 27914021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145043 + ... + 145125.

Almost surely, 212041972 is an apocalyptic number.

It is an amenable number.

12041972 is a deficient number, since it is larger than the sum of its proper divisors (11387308).

12041972 is a wasteful number, since it uses less digits than its factorization.

12041972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 12041972 is about 3470.1544634209. The cubic root of 12041972 is about 229.2094598359.

Adding to 12041972 its reverse (27914021), we get a palindrome (39955993).

The spelling of 12041972 in words is "twelve million, forty-one thousand, nine hundred seventy-two".

Divisors: 1 2 4 19 23 38 46 76 83 92 166 332 437 874 1577 1748 1909 3154 3818 6308 6889 7636 13778 27556 36271 72542 130891 145084 158447 261782 316894 523564 633788 3010493 6020986 12041972