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12993814 = 217382171
BaseRepresentation
bin110001100100…
…010100010110
3220110011011101
4301210110112
511311300224
61142300314
7215305561
oct61442426
926404141
1012993814
117375499
12442769a
1328cc462
141a234d8
15121a044
hexc64516

12993814 has 8 divisors (see below), whose sum is σ = 20637288. Its totient is φ = 6114720.

The previous prime is 12993811. The next prime is 12993817. The reversal of 12993814 is 41839921.

It is an interprime number because it is at equal distance from previous prime (12993811) and next prime (12993817).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12993811) 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, 191052 + ... + 191119.

It is an arithmetic number, because the mean of its divisors is an integer number (2579661).

Almost surely, 212993814 is an apocalyptic number.

12993814 is a deficient number, since it is larger than the sum of its proper divisors (7643474).

12993814 is a wasteful number, since it uses less digits than its factorization.

12993814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382190.

The product of its digits is 15552, while the sum is 37.

The square root of 12993814 is about 3604.6933295358. The cubic root of 12993814 is about 235.0961670692.

The spelling of 12993814 in words is "twelve million, nine hundred ninety-three thousand, eight hundred fourteen".

Divisors: 1 2 17 34 382171 764342 6496907 12993814