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12737813 = 112714273
BaseRepresentation
bin110000100101…
…110100010101
3212222010222212
4300211310111
511230102223
61133003205
7213161324
oct60456425
925863885
1012737813
117210120
124323505
13283ca8a
1419980bb
1511b9278
hexc25d15

12737813 has 8 divisors (see below), whose sum is σ = 13950336. Its totient is φ = 11534400.

The previous prime is 12737797. The next prime is 12737827. The reversal of 12737813 is 31873721.

12737813 is nontrivially palindromic in base 3.

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 12737813 - 24 = 12737797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12737813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12737833) 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, 845 + ... + 5117.

It is an arithmetic number, because the mean of its divisors is an integer number (1743792).

Almost surely, 212737813 is an apocalyptic number.

It is an amenable number.

12737813 is a deficient number, since it is larger than the sum of its proper divisors (1212523).

12737813 is a wasteful number, since it uses less digits than its factorization.

12737813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4555.

The product of its digits is 7056, while the sum is 32.

The square root of 12737813 is about 3569.0072849463. The cubic root of 12737813 is about 233.5419791337.

The spelling of 12737813 in words is "twelve million, seven hundred thirty-seven thousand, eight hundred thirteen".

Divisors: 1 11 271 2981 4273 47003 1157983 12737813