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12071324 = 223781563
BaseRepresentation
bin101110000011…
…000110011100
3211201021202002
4232003012130
511042240244
61110421432
7204414236
oct56030634
924637662
1012071324
1168a5401
124061878
1326685c5
141863256
1510d6a4e
hexb8319c

12071324 has 12 divisors (see below), whose sum is σ = 21696024. Its totient is φ = 5872464.

The previous prime is 12071317. The next prime is 12071329. The reversal of 12071324 is 42317021.

It is a super-2 number, since 2×120713242 = 291433726225952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12071296 and 12071305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12071329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40634 + ... + 40929.

It is an arithmetic number, because the mean of its divisors is an integer number (1808002).

Almost surely, 212071324 is an apocalyptic number.

It is an amenable number.

12071324 is a deficient number, since it is larger than the sum of its proper divisors (9624700).

12071324 is a wasteful number, since it uses less digits than its factorization.

12071324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81604 (or 81602 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 12071324 is about 3474.3810959652. The cubic root of 12071324 is about 229.3955394695.

Adding to 12071324 its reverse (42317021), we get a palindrome (54388345).

The spelling of 12071324 in words is "twelve million, seventy-one thousand, three hundred twenty-four".

Divisors: 1 2 4 37 74 148 81563 163126 326252 3017831 6035662 12071324