12052511 has 4 divisors (see below), whose sum is σ = 12064632. Its totient is φ = 12040392.

The previous prime is 12052489. The next prime is 12052543. The reversal of 12052511 is 11525021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11525021 = 73 ⋅157877.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12052511 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12052511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12052561) 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, 4421 + ... + 6606.

It is an arithmetic number, because the mean of its divisors is an integer number (3016158).

Almost surely, 2^12052511 is an apocalyptic number.

12052511 is a deficient number, since it is larger than the sum of its proper divisors (12121).

12052511 is a wasteful number, since it uses less digits than its factorization.

12052511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12120.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 12052511 is about 3471.6726516191. The cubic root of 12052511 is about 229.2763075285.

Adding to 12052511 its reverse (11525021), we get a palindrome (23577532).

The spelling of 12052511 in words is "twelve million, fifty-two thousand, five hundred eleven".