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12913851 = 337116341
BaseRepresentation
bin110001010000…
…110010111011
3220022002110210
4301100302323
511301220401
61140442203
7214523466
oct61206273
926262423
1012913851
117320405
1243a9363
1328a1c42
141a022dd
1512014d6
hexc50cbb

12913851 has 8 divisors (see below), whose sum is σ = 17683984. Its totient is φ = 8376480.

The previous prime is 12913847. The next prime is 12913853. The reversal of 12913851 is 15831921.

12913851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12913851 - 22 = 12913847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12913853) 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, 58060 + ... + 58281.

It is an arithmetic number, because the mean of its divisors is an integer number (2210498).

Almost surely, 212913851 is an apocalyptic number.

12913851 is a deficient number, since it is larger than the sum of its proper divisors (4770133).

12913851 is a wasteful number, since it uses less digits than its factorization.

12913851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116381.

The product of its digits is 2160, while the sum is 30.

The square root of 12913851 is about 3593.5847005462. The cubic root of 12913851 is about 234.6129194319.

The spelling of 12913851 in words is "twelve million, nine hundred thirteen thousand, eight hundred fifty-one".

Divisors: 1 3 37 111 116341 349023 4304617 12913851