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13125066 = 232187511
BaseRepresentation
bin110010000100…
…010111001010
3220200211012120
4302010113022
511330000231
61145152110
7216363333
oct62042712
926624176
1013125066
117455069
12448b636
132947116
141a5928a
151243d96
hexc845ca

13125066 has 8 divisors (see below), whose sum is σ = 26250144. Its totient is φ = 4375020.

The previous prime is 13125061. The next prime is 13125083. The reversal of 13125066 is 66052131.

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

13125066 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13125061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1093750 + ... + 1093761.

It is an arithmetic number, because the mean of its divisors is an integer number (3281268).

Almost surely, 213125066 is an apocalyptic number.

13125066 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.

13125066 is a wasteful number, since it uses less digits than its factorization.

13125066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187516.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 13125066 is about 3622.8532954013. The cubic root of 13125066 is about 235.8850944028.

Adding to 13125066 its reverse (66052131), we get a palindrome (79177197).

The spelling of 13125066 in words is "thirteen million, one hundred twenty-five thousand, sixty-six".

Divisors: 1 2 3 6 2187511 4375022 6562533 13125066