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12601149 = 311381853
BaseRepresentation
bin110000000100…
…011100111101
3212201012112020
4300010130331
511211214044
61130030353
7212052021
oct60043475
925635466
1012601149
117127480
1242783b9
1327c2802
141960381
15118da19
hexc0473d

12601149 has 8 divisors (see below), whose sum is σ = 18328992. Its totient is φ = 7637040.

The previous prime is 12601139. The next prime is 12601153. The reversal of 12601149 is 94110621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12601149 - 24 = 12601133 is a prime.

It is a super-2 number, since 2×126011492 = 317577912240402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12601139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190894 + ... + 190959.

It is an arithmetic number, because the mean of its divisors is an integer number (2291124).

Almost surely, 212601149 is an apocalyptic number.

It is an amenable number.

12601149 is a deficient number, since it is larger than the sum of its proper divisors (5727843).

12601149 is a wasteful number, since it uses less digits than its factorization.

12601149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381867.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 12601149 is about 3549.8097132100. The cubic root of 12601149 is about 232.7037501703.

The spelling of 12601149 in words is "twelve million, six hundred one thousand, one hundred forty-nine".

Divisors: 1 3 11 33 381853 1145559 4200383 12601149