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12993833 = 47927127
BaseRepresentation
bin110001100100…
…010100101001
3220110011012002
4301210110221
511311300313
61142300345
7215305616
oct61442451
926404162
1012993833
117375506
1244276b5
1328cc478
141a2350d
15121a058
hexc64529

12993833 has 4 divisors (see below), whose sum is σ = 13021440. Its totient is φ = 12966228.

The previous prime is 12993821. The next prime is 12993847. The reversal of 12993833 is 33839921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12993833 - 24 = 12993817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12993803) 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, 13085 + ... + 14042.

It is an arithmetic number, because the mean of its divisors is an integer number (3255360).

Almost surely, 212993833 is an apocalyptic number.

It is an amenable number.

12993833 is a deficient number, since it is larger than the sum of its proper divisors (27607).

12993833 is an equidigital number, since it uses as much as digits as its factorization.

12993833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27606.

The product of its digits is 34992, while the sum is 38.

The square root of 12993833 is about 3604.6959649879. The cubic root of 12993833 is about 235.0962816577.

The spelling of 12993833 in words is "twelve million, nine hundred ninety-three thousand, eight hundred thirty-three".

Divisors: 1 479 27127 12993833