Search a number
-
+
13669513 = 1113175623
BaseRepresentation
bin110100001001…
…010010001001
3221201111001021
4310021102021
511444411023
61204552441
7224121544
oct64112211
927644037
1013669513
117797120
1246b2721
132aa7b90
141b5b85b
15130035d
hexd09489

13669513 has 16 divisors (see below), whose sum is σ = 17006976. Its totient is φ = 10794240.

The previous prime is 13669507. The next prime is 13669517. The reversal of 13669513 is 31596631.

It is a cyclic number.

It is not a de Polignac number, because 13669513 - 29 = 13669001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13669517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381 + ... + 5242.

It is an arithmetic number, because the mean of its divisors is an integer number (1062936).

Almost surely, 213669513 is an apocalyptic number.

13669513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13669513 is a deficient number, since it is larger than the sum of its proper divisors (3337463).

13669513 is a wasteful number, since it uses less digits than its factorization.

13669513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5664.

The product of its digits is 14580, while the sum is 34.

The square root of 13669513 is about 3697.2304499449. The cubic root of 13669513 is about 239.1026268639.

The spelling of 13669513 in words is "thirteen million, six hundred sixty-nine thousand, five hundred thirteen".

Divisors: 1 11 13 17 143 187 221 2431 5623 61853 73099 95591 804089 1051501 1242683 13669513