Search a number
-
+
13012532 = 2213298629
BaseRepresentation
bin110001101000…
…111000110100
3220111002211122
4301220320310
511312400112
61142523112
7215414261
oct61507064
926432748
1013012532
117388565
124436498
132907b30
141a2a268
151220872
hexc68e34

13012532 has 24 divisors (see below), whose sum is σ = 25372200. Its totient is φ = 5798016.

The previous prime is 13012523. The next prime is 13012543. The reversal of 13012532 is 23521031.

It can be written as a sum of positive squares in 4 ways, for example, as 1547536 + 11464996 = 1244^2 + 3386^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13012532.

It is a congruent number.

It is an unprimeable number.

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, 2807 + ... + 5822.

It is an arithmetic number, because the mean of its divisors is an integer number (1057175).

Almost surely, 213012532 is an apocalyptic number.

It is an amenable number.

13012532 is a deficient number, since it is larger than the sum of its proper divisors (12359668).

13012532 is a wasteful number, since it uses less digits than its factorization.

13012532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8675 (or 8673 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 13012532 is about 3607.2887325525. The cubic root of 13012532 is about 235.2090007276.

Adding to 13012532 its reverse (23521031), we get a palindrome (36533563).

The spelling of 13012532 in words is "thirteen million, twelve thousand, five hundred thirty-two".

Divisors: 1 2 4 13 26 29 52 58 116 377 754 1508 8629 17258 34516 112177 224354 250241 448708 500482 1000964 3253133 6506266 13012532