12005704 has 8 divisors (see below), whose sum is σ = 22510710. Its totient is φ = 6002848.

The previous prime is 12005699. The next prime is 12005717. The reversal of 12005704 is 40750021.

It can be written as a sum of positive squares in only one way, i.e., 10903204 + 1102500 = 3302^2 + 1050^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750349 + ... + 750364.

Almost surely, 2^12005704 is an apocalyptic number.

It is an amenable number.

12005704 is a deficient number, since it is larger than the sum of its proper divisors (10505006).

12005704 is a wasteful number, since it uses less digits than its factorization.

12005704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500719 (or 1500715 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 12005704 is about 3464.9248188092. The cubic root of 12005704 is about 228.9791174871.

Adding to 12005704 its reverse (40750021), we get a palindrome (52755725).

The spelling of 12005704 in words is "twelve million, five thousand, seven hundred four".