12704234 has 32 divisors (see below), whose sum is σ = 21012480. Its totient is φ = 5742000.

The previous prime is 12704231. The next prime is 12704239. The reversal of 12704234 is 43240721.

12704234 = T₅₇₂ + T₅₇₃ + ... + T₆₄₀.

It is a super-2 number, since 2×12704234² = 322795123053512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (12704231) 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 in 15 ways as a sum of consecutive naturals, for example, 84059 + ... + 84209.

It is an arithmetic number, because the mean of its divisors is an integer number (656640).

Almost surely, 2^12704234 is an apocalyptic number.

12704234 is a deficient number, since it is larger than the sum of its proper divisors (8308246).

12704234 is a wasteful number, since it uses less digits than its factorization.

12704234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 12704234 is about 3564.2999312628. The cubic root of 12704234 is about 233.3365800002.

Adding to 12704234 its reverse (43240721), we get a palindrome (55944955).

The spelling of 12704234 in words is "twelve million, seven hundred four thousand, two hundred thirty-four".