11212993 has 8 divisors (see below), whose sum is σ = 12257280. Its totient is φ = 10172880.

The previous prime is 11212987. The next prime is 11212997. The reversal of 11212993 is 39921211.

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-11212993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11212997) 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, 8128 + ... + 9406.

It is an arithmetic number, because the mean of its divisors is an integer number (1532160).

Almost surely, 2^11212993 is an apocalyptic number.

It is an amenable number.

11212993 is a deficient number, since it is larger than the sum of its proper divisors (1044287).

11212993 is a wasteful number, since it uses less digits than its factorization.

11212993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087.

The product of its digits is 972, while the sum is 28.

The square root of 11212993 is about 3348.5807441362. The cubic root of 11212993 is about 223.8242735851.

It can be divided in two parts, 1121 and 2993, that added together give a palindrome (4114).

The spelling of 11212993 in words is "eleven million, two hundred twelve thousand, nine hundred ninety-three".