11212553 has 8 divisors (see below), whose sum is σ = 12380256. Its totient is φ = 10069600.

The previous prime is 11212529. The next prime is 11212573. The reversal of 11212553 is 35521211.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11212553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11212573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5228 + ... + 7053.

It is an arithmetic number, because the mean of its divisors is an integer number (1547532).

Almost surely, 2^11212553 is an apocalyptic number.

It is an amenable number.

11212553 is a deficient number, since it is larger than the sum of its proper divisors (1167703).

11212553 is a wasteful number, since it uses less digits than its factorization.

11212553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12375.

The product of its digits is 300, while the sum is 20.

The square root of 11212553 is about 3348.5150440158. The cubic root of 11212553 is about 223.8213459110.

Adding to 11212553 its reverse (35521211), we get a palindrome (46733764).

The spelling of 11212553 in words is "eleven million, two hundred twelve thousand, five hundred fifty-three".