12001412 has 12 divisors (see below), whose sum is σ = 21065100. Its totient is φ = 5982816.

The previous prime is 12001411. The next prime is 12001421. The reversal of 12001412 is 21410021.

It can be written as a sum of positive squares in 2 ways, for example, as 8667136 + 3334276 = 2944^2 + 1826^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12001393 and 12001402.

It is not an unprimeable number, because it can be changed into a prime (12001411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2903 + ... + 5694.

It is an arithmetic number, because the mean of its divisors is an integer number (1755425).

Almost surely, 2^12001412 is an apocalyptic number.

It is an amenable number.

12001412 is a deficient number, since it is larger than the sum of its proper divisors (9063688).

12001412 is a wasteful number, since it uses less digits than its factorization.

12001412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8950 (or 8948 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 12001412 is about 3464.3054137879. The cubic root of 12001412 is about 228.9518278058.

Adding to 12001412 its reverse (21410021), we get a palindrome (33411433).

The spelling of 12001412 in words is "twelve million, one thousand, four hundred twelve".