Search a number
-
+
13707043 = 712791531
BaseRepresentation
bin110100010010…
…011100100011
3221210101112021
4310102130203
512002111133
61205442311
7224336140
oct64223443
927711467
1013707043
117812339
124710397
132abbc9c
141b6b3c7
15130b52d
hexd12723

13707043 has 8 divisors (see below), whose sum is σ = 15687680. Its totient is φ = 11732040.

The previous prime is 13707017. The next prime is 13707073. The reversal of 13707043 is 34070731.

It is a happy number.

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 13707043 - 213 = 13698851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13706999 and 13707017.

It is not an unprimeable number, because it can be changed into a prime (13707073) 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, 8188 + ... + 9718.

It is an arithmetic number, because the mean of its divisors is an integer number (1960960).

Almost surely, 213707043 is an apocalyptic number.

13707043 is a deficient number, since it is larger than the sum of its proper divisors (1980637).

13707043 is a wasteful number, since it uses less digits than its factorization.

13707043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 13707043 is about 3702.3023917557. The cubic root of 13707043 is about 239.3212477161.

Adding to 13707043 its reverse (34070731), we get a palindrome (47777774).

The spelling of 13707043 in words is "thirteen million, seven hundred seven thousand, forty-three".

Divisors: 1 7 1279 1531 8953 10717 1958149 13707043