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13132089 = 327120551
BaseRepresentation
bin110010000110…
…000100111001
3220201011211200
4302012010321
511330211324
61145244413
7216422655
oct62060471
926634750
1013132089
11745a373
124493709
13294a389
141a5ba65
151245ec9
hexc86139

13132089 has 12 divisors (see below), whose sum is σ = 19236672. Its totient is φ = 8631000.

The previous prime is 13132081. The next prime is 13132111. The reversal of 13132089 is 98023131.

13132089 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13132089 - 23 = 13132081 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13132081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9637 + ... + 10914.

It is an arithmetic number, because the mean of its divisors is an integer number (1603056).

Almost surely, 213132089 is an apocalyptic number.

It is an amenable number.

13132089 is a deficient number, since it is larger than the sum of its proper divisors (6104583).

13132089 is a wasteful number, since it uses less digits than its factorization.

13132089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20628 (or 20625 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 13132089 is about 3623.8224294245. The cubic root of 13132089 is about 235.9271596041.

The spelling of 13132089 in words is "thirteen million, one hundred thirty-two thousand, eighty-nine".

Divisors: 1 3 9 71 213 639 20551 61653 184959 1459121 4377363 13132089