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12087344 = 241939761
BaseRepresentation
bin101110000111…
…000000110000
3211202002201102
4232013000300
511043243334
61111023532
7204512033
oct56070060
924662642
1012087344
116906445
12406aba8
132672999
14186901a
1510db67e
hexb87030

12087344 has 20 divisors (see below), whose sum is σ = 24652440. Its totient is φ = 5725440.

The previous prime is 12087311. The next prime is 12087347. The reversal of 12087344 is 44378021.

It is a super-2 number, since 2×120873442 = 292207769948672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12087347) 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, 19577 + ... + 20184.

It is an arithmetic number, because the mean of its divisors is an integer number (1232622).

Almost surely, 212087344 is an apocalyptic number.

It is an amenable number.

12087344 is an abundant number, since it is smaller than the sum of its proper divisors (12565096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12087344 is a wasteful number, since it uses less digits than its factorization.

12087344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39788 (or 39782 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 12087344 is about 3476.6857781514. The cubic root of 12087344 is about 229.4969724762.

The spelling of 12087344 in words is "twelve million, eighty-seven thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 19 38 76 152 304 39761 79522 159044 318088 636176 755459 1510918 3021836 6043672 12087344