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12946938 = 232157823
BaseRepresentation
bin110001011000…
…110111111010
3220100202212020
4301120313322
511303300223
61141255310
7215022114
oct61306772
926322766
1012946938
117343254
124404536
1328b4014
141a103b4
15120b1e3
hexc58dfa

12946938 has 8 divisors (see below), whose sum is σ = 25893888. Its totient is φ = 4315644.

The previous prime is 12946931. The next prime is 12946951. The reversal of 12946938 is 83964921.

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

12946938 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12946938.

It is not an unprimeable number, because it can be changed into a prime (12946931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1078906 + ... + 1078917.

It is an arithmetic number, because the mean of its divisors is an integer number (3236736).

Almost surely, 212946938 is an apocalyptic number.

12946938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12946938 is a wasteful number, since it uses less digits than its factorization.

12946938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157828.

The product of its digits is 93312, while the sum is 42.

The square root of 12946938 is about 3598.1853759916. The cubic root of 12946938 is about 234.8131183617.

The spelling of 12946938 in words is "twelve million, nine hundred forty-six thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 2157823 4315646 6473469 12946938