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12608538 = 232101423
BaseRepresentation
bin110000000110…
…010000011010
3212201120122220
4300012100122
511211433123
61130124510
7212112405
oct60062032
925646586
1012608538
117131a88
124280736
1327c5c97
141962d3c
151190ce3
hexc0641a

12608538 has 8 divisors (see below), whose sum is σ = 25217088. Its totient is φ = 4202844.

The previous prime is 12608507. The next prime is 12608569. The reversal of 12608538 is 83580621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12608507) and next prime (12608569).

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

12608538 is an admirable number.

It is a super-3 number, since 3×126085383 (a number of 22 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12608499 and 12608508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050706 + ... + 1050717.

It is an arithmetic number, because the mean of its divisors is an integer number (3152136).

Almost surely, 212608538 is an apocalyptic number.

12608538 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.

12608538 is a wasteful number, since it uses less digits than its factorization.

12608538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101428.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 12608538 is about 3550.8503206978. The cubic root of 12608538 is about 232.7492251779.

The spelling of 12608538 in words is "twelve million, six hundred eight thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 2101423 4202846 6304269 12608538