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13132189 = 73173829
BaseRepresentation
bin110010000110…
…000110011101
3220201011222101
4302012012131
511330212224
61145245101
7216423160
oct62060635
926634871
1013132189
11745a454
124493791
13294a435
141a5bad7
151246044
hexc8619d

13132189 has 16 divisors (see below), whose sum is σ = 15723520. Its totient is φ = 10730880.

The previous prime is 13132153. The next prime is 13132193. The reversal of 13132189 is 98123131.

It is a cyclic number.

It is not a de Polignac number, because 13132189 - 211 = 13130141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13132489) 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 15 ways as a sum of consecutive naturals, for example, 15427 + ... + 16255.

It is an arithmetic number, because the mean of its divisors is an integer number (982720).

Almost surely, 213132189 is an apocalyptic number.

It is an amenable number.

13132189 is a deficient number, since it is larger than the sum of its proper divisors (2591331).

13132189 is an equidigital number, since it uses as much as digits as its factorization.

13132189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940.

The product of its digits is 1296, while the sum is 28.

The square root of 13132189 is about 3623.8362269838. The cubic root of 13132189 is about 235.9277584592.

The spelling of 13132189 in words is "thirteen million, one hundred thirty-two thousand, one hundred eighty-nine".

Divisors: 1 7 31 73 217 511 829 2263 5803 15841 25699 60517 179893 423619 1876027 13132189