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12137115 = 35809141
BaseRepresentation
bin101110010011…
…001010011011
3211211121222210
4232103022123
511101341430
61112050203
7205110114
oct56231233
924747883
1012137115
11693a881
124093963
13268c533
14187d20b
1510eb2b0
hexb9329b

12137115 has 8 divisors (see below), whose sum is σ = 19419408. Its totient is φ = 6473120.

The previous prime is 12137113. The next prime is 12137119. The reversal of 12137115 is 51173121.

It is a happy number.

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

It is not a de Polignac number, because 12137115 - 21 = 12137113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12137091 and 12137100.

It is not an unprimeable number, because it can be changed into a prime (12137113) 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 7 ways as a sum of consecutive naturals, for example, 404556 + ... + 404585.

It is an arithmetic number, because the mean of its divisors is an integer number (2427426).

Almost surely, 212137115 is an apocalyptic number.

12137115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12137115 is a deficient number, since it is larger than the sum of its proper divisors (7282293).

12137115 is an equidigital number, since it uses as much as digits as its factorization.

12137115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809149.

The product of its digits is 210, while the sum is 21.

The square root of 12137115 is about 3483.8362475868. The cubic root of 12137115 is about 229.8115343313.

The spelling of 12137115 in words is "twelve million, one hundred thirty-seven thousand, one hundred fifteen".

Divisors: 1 3 5 15 809141 2427423 4045705 12137115