11142213 has 8 divisors (see below), whose sum is σ = 14940000. Its totient is φ = 7386288.

The previous prime is 11142211. The next prime is 11142223. The reversal of 11142213 is 31224111.

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

It is not a de Polignac number, because 11142213 - 2¹ = 11142211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11142192 and 11142201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142211) 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, 9838 + ... + 10911.

It is an arithmetic number, because the mean of its divisors is an integer number (1867500).

Almost surely, 2^11142213 is an apocalyptic number.

It is an amenable number.

11142213 is a deficient number, since it is larger than the sum of its proper divisors (3797787).

11142213 is a wasteful number, since it uses less digits than its factorization.

11142213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20931.

The product of its digits is 48, while the sum is 15.

The square root of 11142213 is about 3337.9953564977. The cubic root of 11142213 is about 223.3523290197.

Adding to 11142213 its reverse (31224111), we get a palindrome (42366324).

It can be divided in two parts, 111 and 42213, that added together give a palindrome (42324).

The spelling of 11142213 in words is "eleven million, one hundred forty-two thousand, two hundred thirteen".