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12537106 = 229216157
BaseRepresentation
bin101111110100…
…110100010010
3212120221200021
4233310310102
511202141411
61124414054
7211364221
oct57646422
925527607
1012537106
11709334a
12424732a
13279c60a
141944cb8
151179a71
hexbf4d12

12537106 has 8 divisors (see below), whose sum is σ = 19454220. Its totient is φ = 6052368.

The previous prime is 12537101. The next prime is 12537121. The reversal of 12537106 is 60173521.

It can be written as a sum of positive squares in 2 ways, for example, as 11799225 + 737881 = 3435^2 + 859^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12537101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108021 + ... + 108136.

Almost surely, 212537106 is an apocalyptic number.

12537106 is a deficient number, since it is larger than the sum of its proper divisors (6917114).

12537106 is a wasteful number, since it uses less digits than its factorization.

12537106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216188.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 12537106 is about 3540.7775982120. Note that the first 3 decimals coincide. The cubic root of 12537106 is about 232.3088558867.

The spelling of 12537106 in words is "twelve million, five hundred thirty-seven thousand, one hundred six".

Divisors: 1 2 29 58 216157 432314 6268553 12537106