12046442 has 4 divisors (see below), whose sum is σ = 18069666. Its totient is φ = 6023220.

The previous prime is 12046403. The next prime is 12046459. The reversal of 12046442 is 24464021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9186961 + 2859481 = 3031^2 + 1691^2 .

It is an unprimeable number.

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, 3011609 + ... + 3011612.

Almost surely, 2^12046442 is an apocalyptic number.

12046442 is a deficient number, since it is larger than the sum of its proper divisors (6023224).

12046442 is an equidigital number, since it uses as much as digits as its factorization.

12046442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6023223.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 12046442 is about 3470.7984672118. The cubic root of 12046442 is about 229.2378173048.

The spelling of 12046442 in words is "twelve million, forty-six thousand, four hundred forty-two".