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13066449 = 311395953
BaseRepresentation
bin110001110110…
…000011010001
3220120211210120
4301312003101
511321111244
61144020453
7216030414
oct61660321
926524716
1013066449
117415020
124461729
132926536
141a41b7b
151231819
hexc760d1

13066449 has 8 divisors (see below), whose sum is σ = 19005792. Its totient is φ = 7919040.

The previous prime is 13066447. The next prime is 13066451. The reversal of 13066449 is 94466031.

It is an interprime number because it is at equal distance from previous prime (13066447) and next prime (13066451).

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

It is not a de Polignac number, because 13066449 - 21 = 13066447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 395953 = 13066449 / (1 + 3 + 0 + 6 + 6 + 4 + 4 + 9).

It is not an unprimeable number, because it can be changed into a prime (13066447) 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 7 ways as a sum of consecutive naturals, for example, 197944 + ... + 198009.

It is an arithmetic number, because the mean of its divisors is an integer number (2375724).

Almost surely, 213066449 is an apocalyptic number.

It is an amenable number.

13066449 is a deficient number, since it is larger than the sum of its proper divisors (5939343).

13066449 is a wasteful number, since it uses less digits than its factorization.

13066449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395967.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 13066449 is about 3614.7543485000. The cubic root of 13066449 is about 235.5334133377.

The spelling of 13066449 in words is "thirteen million, sixty-six thousand, four hundred forty-nine".

Divisors: 1 3 11 33 395953 1187859 4355483 13066449