12011413 has 4 divisors (see below), whose sum is σ = 12135340. Its totient is φ = 11887488.

The previous prime is 12011411. The next prime is 12011459. The reversal of 12011413 is 31411021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5870929 + 6140484 = 2423^2 + 2478^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011413 - 2¹ = 12011411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12011393 and 12011402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011411) 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, 61818 + ... + 62011.

It is an arithmetic number, because the mean of its divisors is an integer number (3033835).

Almost surely, 2^12011413 is an apocalyptic number.

It is an amenable number.

12011413 is a deficient number, since it is larger than the sum of its proper divisors (123927).

12011413 is an equidigital number, since it uses as much as digits as its factorization.

12011413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123926.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 12011413 is about 3465.7485482937. The cubic root of 12011413 is about 229.0154067550.

Adding to 12011413 its reverse (31411021), we get a palindrome (43422434).

The spelling of 12011413 in words is "twelve million, eleven thousand, four hundred thirteen".