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12939333 = 311392101
BaseRepresentation
bin110001010111…
…000001000101
3220100101102120
4301113001011
511303024313
61141200153
7214661001
oct61270105
926311376
1012939333
117338570
124400059
1328b0714
141a0b701
151208d23
hexc57045

12939333 has 8 divisors (see below), whose sum is σ = 18820896. Its totient is φ = 7842000.

The previous prime is 12939287. The next prime is 12939343. The reversal of 12939333 is 33393921.

It is a happy number.

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

It is not a de Polignac number, because 12939333 - 28 = 12939077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 392101 = 12939333 / (1 + 2 + 9 + 3 + 9 + 3 + 3 + 3).

It is a junction number, because it is equal to n+sod(n) for n = 12939294 and 12939303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12939343) 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, 196018 + ... + 196083.

It is an arithmetic number, because the mean of its divisors is an integer number (2352612).

Almost surely, 212939333 is an apocalyptic number.

It is an amenable number.

12939333 is a deficient number, since it is larger than the sum of its proper divisors (5881563).

12939333 is a wasteful number, since it uses less digits than its factorization.

12939333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392115.

The product of its digits is 13122, while the sum is 33.

The square root of 12939333 is about 3597.1284380739. The cubic root of 12939333 is about 234.7671331378.

The spelling of 12939333 in words is "twelve million, nine hundred thirty-nine thousand, three hundred thirty-three".

Divisors: 1 3 11 33 392101 1176303 4313111 12939333