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13257606 = 232209601
BaseRepresentation
bin110010100100…
…101110000110
3220221120000110
4302210232012
511343220411
61152053450
7220454625
oct62445606
926846013
1013257606
1175356aa
124534286
13299254b
141a916bc
15126d2a6
hexca4b86

13257606 has 8 divisors (see below), whose sum is σ = 26515224. Its totient is φ = 4419200.

The previous prime is 13257599. The next prime is 13257653. The reversal of 13257606 is 60675231.

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

13257606 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1104795 + ... + 1104806.

It is an arithmetic number, because the mean of its divisors is an integer number (3314403).

Almost surely, 213257606 is an apocalyptic number.

13257606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13257606 is a wasteful number, since it uses less digits than its factorization.

13257606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209606.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 13257606 is about 3641.0995591991. The cubic root of 13257606 is about 236.6764443050.

The spelling of 13257606 in words is "thirteen million, two hundred fifty-seven thousand, six hundred six".

Divisors: 1 2 3 6 2209601 4419202 6628803 13257606