12011053 has 4 divisors (see below), whose sum is σ = 12023100. Its totient is φ = 11999008.

The previous prime is 12011047. The next prime is 12011057. The reversal of 12011053 is 35011021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35011021 = 857 ⋅40853.

It can be written as a sum of positive squares in 2 ways, for example, as 1790244 + 10220809 = 1338^2 + 3197^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011053 - 2⁹ = 12010541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4378 + ... + 6571.

It is an arithmetic number, because the mean of its divisors is an integer number (3005775).

Almost surely, 2^12011053 is an apocalyptic number.

It is an amenable number.

12011053 is a deficient number, since it is larger than the sum of its proper divisors (12047).

12011053 is a wasteful number, since it uses less digits than its factorization.

12011053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12046.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 12011053 is about 3465.6966110726. The cubic root of 12011053 is about 229.0131187542.

Adding to 12011053 its reverse (35011021), we get a palindrome (47022074).

The spelling of 12011053 in words is "twelve million, eleven thousand, fifty-three".