12051213 has 8 divisors (see below), whose sum is σ = 16272000. Its totient is φ = 7932288.

The previous prime is 12051209. The next prime is 12051227. The reversal of 12051213 is 31215021.

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

It is not a de Polignac number, because 12051213 - 2² = 12051209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12051192 and 12051201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12051293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25188 + ... + 25661.

It is an arithmetic number, because the mean of its divisors is an integer number (2034000).

Almost surely, 2^12051213 is an apocalyptic number.

It is an amenable number.

12051213 is a deficient number, since it is larger than the sum of its proper divisors (4220787).

12051213 is an equidigital number, since it uses as much as digits as its factorization.

12051213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50931.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 12051213 is about 3471.4857049972. The cubic root of 12051213 is about 229.2680765651.

Adding to 12051213 its reverse (31215021), we get a palindrome (43266234).

The spelling of 12051213 in words is "twelve million, fifty-one thousand, two hundred thirteen".