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12024013 = 19516163
BaseRepresentation
bin101101110111…
…100011001101
3211121212211211
4231313203031
511034232023
61105414421
7204126301
oct55674315
924555754
1012024013
116872901
12403a411
13264cc01
14184dd01
1510c7a0d
hexb778cd

12024013 has 4 divisors (see below), whose sum is σ = 12032128. Its totient is φ = 12015900.

The previous prime is 12024007. The next prime is 12024041. The reversal of 12024013 is 31042021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12024013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12023984 and 12024002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12024053) 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, 1131 + ... + 5032.

It is an arithmetic number, because the mean of its divisors is an integer number (3008032).

Almost surely, 212024013 is an apocalyptic number.

It is an amenable number.

12024013 is a deficient number, since it is larger than the sum of its proper divisors (8115).

12024013 is an equidigital number, since it uses as much as digits as its factorization.

12024013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8114.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12024013 is about 3467.5658609463. The cubic root of 12024013 is about 229.0954580006.

Adding to 12024013 its reverse (31042021), we get a palindrome (43066034).

The spelling of 12024013 in words is "twelve million, twenty-four thousand, thirteen".

Divisors: 1 1951 6163 12024013