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12898937 = 17244633
BaseRepresentation
bin110001001101…
…001001111001
3220021100000102
4301031021321
511300231222
61140245145
7214432142
oct61151171
926240012
1012898937
117310187
1243a07b5
13289820c
1419daac9
1511ebd92
hexc4d279

12898937 has 6 divisors (see below), whose sum is σ = 13702638. Its totient is φ = 12139904.

The previous prime is 12898933. The next prime is 12898979. The reversal of 12898937 is 73989821.

12898937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 7974976 + 4923961 = 2824^2 + 2219^2 .

It is not a de Polignac number, because 12898937 - 22 = 12898933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12898891 and 12898900.

It is not an unprimeable number, because it can be changed into a prime (12898931) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22028 + ... + 22605.

It is an arithmetic number, because the mean of its divisors is an integer number (2283773).

Almost surely, 212898937 is an apocalyptic number.

12898937 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12898937 is a deficient number, since it is larger than the sum of its proper divisors (803701).

12898937 is an equidigital number, since it uses as much as digits as its factorization.

12898937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44667 (or 44650 counting only the distinct ones).

The product of its digits is 217728, while the sum is 47.

The square root of 12898937 is about 3591.5090143281. The cubic root of 12898937 is about 234.5225677382.

The spelling of 12898937 in words is "twelve million, eight hundred ninety-eight thousand, nine hundred thirty-seven".

Divisors: 1 17 289 44633 758761 12898937