Search a number
-
+
13499967 = 313595867
BaseRepresentation
bin110011011111…
…111000111111
3221101212110210
4303133320333
511423444332
61201203503
7222514335
oct63377077
927355423
1013499967
1176907a8
124630593
132a48960
141b15b55
1512b9ecc
hexcdfe3f

13499967 has 16 divisors (see below), whose sum is σ = 19716480. Its totient is φ = 8165472.

The previous prime is 13499939. The next prime is 13499999. The reversal of 13499967 is 76999431.

It is not a de Polignac number, because 13499967 - 26 = 13499903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13499267) 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, 633 + ... + 5234.

It is an arithmetic number, because the mean of its divisors is an integer number (1232280).

Almost surely, 213499967 is an apocalyptic number.

13499967 is a deficient number, since it is larger than the sum of its proper divisors (6216513).

13499967 is a wasteful number, since it uses less digits than its factorization.

13499967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5942.

The product of its digits is 367416, while the sum is 48.

The square root of 13499967 is about 3674.2301234408. The cubic root of 13499967 is about 238.1099637794.

The spelling of 13499967 in words is "thirteen million, four hundred ninety-nine thousand, nine hundred sixty-seven".

Divisors: 1 3 13 39 59 177 767 2301 5867 17601 76271 228813 346153 1038459 4499989 13499967