Search a number
-
+
12913448 = 2359109251
BaseRepresentation
bin110001010000…
…101100101000
3220022001220212
4301100230220
511301212243
61140440252
7214522352
oct61205450
926261825
1012913448
117320079
1243a9088
1328a19c2
141a020d2
151201318
hexc50b28

12913448 has 32 divisors (see below), whose sum is σ = 24948000. Its totient is φ = 6264000.

The previous prime is 12913447. The next prime is 12913451. The reversal of 12913448 is 84431921.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12913447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51323 + ... + 51573.

It is an arithmetic number, because the mean of its divisors is an integer number (779625).

Almost surely, 212913448 is an apocalyptic number.

It is an amenable number.

12913448 is a deficient number, since it is larger than the sum of its proper divisors (12034552).

12913448 is a wasteful number, since it uses less digits than its factorization.

12913448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 421 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 12913448 is about 3593.5286279644. The cubic root of 12913448 is about 234.6104789002.

The spelling of 12913448 in words is "twelve million, nine hundred thirteen thousand, four hundred forty-eight".

Divisors: 1 2 4 8 59 109 118 218 236 251 436 472 502 872 1004 2008 6431 12862 14809 25724 27359 29618 51448 54718 59236 109436 118472 218872 1614181 3228362 6456724 12913448