12053406 has 8 divisors (see below), whose sum is σ = 24106824. Its totient is φ = 4017800.

The previous prime is 12053401. The next prime is 12053407. The reversal of 12053406 is 60435021.

It is a happy number.

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

12053406 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12053401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004445 + ... + 1004456.

It is an arithmetic number, because the mean of its divisors is an integer number (3013353).

Almost surely, 2^12053406 is an apocalyptic number.

12053406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12053406 is a wasteful number, since it uses less digits than its factorization.

12053406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008906.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 12053406 is about 3471.8015496281. The cubic root of 12053406 is about 229.2819826175.

Adding to 12053406 its reverse (60435021), we get a palindrome (72488427).

The spelling of 12053406 in words is "twelve million, fifty-three thousand, four hundred six".