12071408 has 10 divisors (see below), whose sum is σ = 23388384. Its totient is φ = 6035696.

The previous prime is 12071407. The next prime is 12071429. The reversal of 12071408 is 80417021.

It is a super-2 number, since 2×12071408² = 291437782204928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12071401) by changing a digit.

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, 377216 + ... + 377247.

Almost surely, 2^12071408 is an apocalyptic number.

It is an amenable number.

12071408 is a deficient number, since it is larger than the sum of its proper divisors (11316976).

12071408 is an equidigital number, since it uses as much as digits as its factorization.

12071408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754471 (or 754465 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 12071408 is about 3474.3931844280. The cubic root of 12071408 is about 229.3960715619.

Adding to 12071408 its reverse (80417021), we get a palindrome (92488429).

The spelling of 12071408 in words is "twelve million, seventy-one thousand, four hundred eight".