Search a number
-
+
13456685 = 511244667
BaseRepresentation
bin110011010101…
…010100101101
3221022200002202
4303111110231
511421103220
61200231245
7222244214
oct63252455
927280082
1013456685
117661230
12460b525
132a32048
141b0407b
1512ac275
hexcd552d

13456685 has 8 divisors (see below), whose sum is σ = 17616096. Its totient is φ = 9786640.

The previous prime is 13456657. The next prime is 13456687. The reversal of 13456685 is 58665431.

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

It is not a de Polignac number, because 13456685 - 210 = 13455661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13456687) 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, 122279 + ... + 122388.

It is an arithmetic number, because the mean of its divisors is an integer number (2202012).

Almost surely, 213456685 is an apocalyptic number.

It is an amenable number.

13456685 is a deficient number, since it is larger than the sum of its proper divisors (4159411).

13456685 is a wasteful number, since it uses less digits than its factorization.

13456685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244683.

The product of its digits is 86400, while the sum is 38.

The square root of 13456685 is about 3668.3354535811. The cubic root of 13456685 is about 237.8552246644.

It can be divided in two parts, 13456 and 685, that added together give a palindrome (14141).

The spelling of 13456685 in words is "thirteen million, four hundred fifty-six thousand, six hundred eighty-five".

Divisors: 1 5 11 55 244667 1223335 2691337 13456685