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13071461 = 135031999
BaseRepresentation
bin110001110111…
…010001100101
3220121002200012
4301313101211
511321241321
61144100005
7216051134
oct61672145
926532605
1013071461
117418867
124464605
1329288c0
141a4391b
15123305b
hexc77465

13071461 has 8 divisors (see below), whose sum is σ = 14112000. Its totient is φ = 12035952.

The previous prime is 13071437. The next prime is 13071463. The reversal of 13071461 is 16417031.

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

It is a cyclic number.

It is not a de Polignac number, because 13071461 - 218 = 12809317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13071463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5540 + ... + 7538.

It is an arithmetic number, because the mean of its divisors is an integer number (1764000).

Almost surely, 213071461 is an apocalyptic number.

It is an amenable number.

13071461 is a deficient number, since it is larger than the sum of its proper divisors (1040539).

13071461 is a wasteful number, since it uses less digits than its factorization.

13071461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 13071461 is about 3615.4475518254. The cubic root of 13071461 is about 235.5635246190.

Adding to 13071461 its reverse (16417031), we get a palindrome (29488492).

The spelling of 13071461 in words is "thirteen million, seventy-one thousand, four hundred sixty-one".

Divisors: 1 13 503 1999 6539 25987 1005497 13071461