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12204814 = 26102407
BaseRepresentation
bin101110100011…
…101100001110
3211222001212011
4232203230032
511111023224
61113331434
7205511356
oct56435416
924861764
1012204814
116986726
124106b7a
1326b42ab
141899b66
151111394
hexba3b0e

12204814 has 4 divisors (see below), whose sum is σ = 18307224. Its totient is φ = 6102406.

The previous prime is 12204811. The next prime is 12204833. The reversal of 12204814 is 41840221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41840221 = 131319391.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12204811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3051202 + ... + 3051205.

It is an arithmetic number, because the mean of its divisors is an integer number (4576806).

Almost surely, 212204814 is an apocalyptic number.

12204814 is a deficient number, since it is larger than the sum of its proper divisors (6102410).

12204814 is an equidigital number, since it uses as much as digits as its factorization.

12204814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6102409.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 12204814 is about 3493.5388934432. The cubic root of 12204814 is about 230.2380270527.

The spelling of 12204814 in words is "twelve million, two hundred four thousand, eight hundred fourteen".

Divisors: 1 2 6102407 12204814