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12196908 = 2232338803
BaseRepresentation
bin101110100001…
…110000101100
3211221200000100
4232201300230
511110300113
61113231100
7205446333
oct56416054
924850010
1012196908
116980799
124102490
1326b0809
141896d1a
15110dd73
hexba1c2c

12196908 has 18 divisors (see below), whose sum is σ = 30831164. Its totient is φ = 4065624.

The previous prime is 12196901. The next prime is 12196949. The reversal of 12196908 is 80969121.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 338803 = 12196908 / (1 + 2 + 1 + 9 + 6 + 9 + 0 + 8).

It is not an unprimeable number, because it can be changed into a prime (12196901) 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 5 ways as a sum of consecutive naturals, for example, 169366 + ... + 169437.

Almost surely, 212196908 is an apocalyptic number.

12196908 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12196908 is an abundant number, since it is smaller than the sum of its proper divisors (18634256).

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

12196908 is a wasteful number, since it uses less digits than its factorization.

12196908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338813 (or 338808 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 12196908 is about 3492.4071927540. The cubic root of 12196908 is about 230.1883020009.

The spelling of 12196908 in words is "twelve million, one hundred ninety-six thousand, nine hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 338803 677606 1016409 1355212 2032818 3049227 4065636 6098454 12196908