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12671444 = 228338167
BaseRepresentation
bin110000010101…
…100111010100
3212211202221202
4300111213110
511220441234
61131332032
7212463662
oct60254724
925752852
1012671444
117175275
1242b1018
1328187c6
14197bc32
1511a477e
hexc159d4

12671444 has 12 divisors (see below), whose sum is σ = 22442784. Its totient is φ = 6259224.

The previous prime is 12671437. The next prime is 12671473. The reversal of 12671444 is 44417621.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 18752 + ... + 19415.

It is an arithmetic number, because the mean of its divisors is an integer number (1870232).

Almost surely, 212671444 is an apocalyptic number.

It is an amenable number.

12671444 is a deficient number, since it is larger than the sum of its proper divisors (9771340).

12671444 is a wasteful number, since it uses less digits than its factorization.

12671444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38254 (or 38252 counting only the distinct ones).

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

The square root of 12671444 is about 3559.6971781319. The cubic root of 12671444 is about 233.1356575232.

The spelling of 12671444 in words is "twelve million, six hundred seventy-one thousand, four hundred forty-four".

Divisors: 1 2 4 83 166 332 38167 76334 152668 3167861 6335722 12671444