12052215 has 24 divisors (see below), whose sum is σ = 23875488. Its totient is φ = 5509440.

The previous prime is 12052199. The next prime is 12052219. The reversal of 12052215 is 51225021.

12052215 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12052215 - 2⁴ = 12052199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12052219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18816 + ... + 19445.

It is an arithmetic number, because the mean of its divisors is an integer number (994812).

Almost surely, 2^12052215 is an apocalyptic number.

12052215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12052215 is a deficient number, since it is larger than the sum of its proper divisors (11823273).

12052215 is a wasteful number, since it uses less digits than its factorization.

12052215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38279 (or 38276 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 12052215 is about 3471.6300206099. The cubic root of 12052215 is about 229.2744305657.

Adding to 12052215 its reverse (51225021), we get a palindrome (63277236).

The spelling of 12052215 in words is "twelve million, fifty-two thousand, two hundred fifteen".