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12107148 = 2236591531
BaseRepresentation
bin101110001011…
…110110001100
3211210002212220
4232023312030
511044412043
61111255340
7204623544
oct56136614
924702786
1012107148
11691a309
12407a550
13267b9c1
141872324
1510e2483
hexb8bd8c

12107148 has 24 divisors (see below), whose sum is σ = 28311360. Its totient is φ = 4026960.

The previous prime is 12107141. The next prime is 12107149. The reversal of 12107148 is 84170121.

It is not an unprimeable number, because it can be changed into a prime (12107141) by changing a digit.

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, 7143 + ... + 8673.

It is an arithmetic number, because the mean of its divisors is an integer number (1179640).

Almost surely, 212107148 is an apocalyptic number.

It is an amenable number.

12107148 is an abundant number, since it is smaller than the sum of its proper divisors (16204212).

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

12107148 is a wasteful number, since it uses less digits than its factorization.

12107148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197 (or 2195 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 12107148 is about 3479.5327272495. The cubic root of 12107148 is about 229.6222406392.

Adding to 12107148 its reverse (84170121), we get a palindrome (96277269).

The spelling of 12107148 in words is "twelve million, one hundred seven thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 659 1318 1531 1977 2636 3062 3954 4593 6124 7908 9186 18372 1008929 2017858 3026787 4035716 6053574 12107148