11214215 has 4 divisors (see below), whose sum is σ = 13457064. Its totient is φ = 8971368.

The previous prime is 11214211. The next prime is 11214221. The reversal of 11214215 is 51241211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11214215 - 2² = 11214211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11214193 and 11214202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11214211) 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, 1121417 + ... + 1121426.

It is an arithmetic number, because the mean of its divisors is an integer number (3364266).

Almost surely, 2^11214215 is an apocalyptic number.

11214215 is a deficient number, since it is larger than the sum of its proper divisors (2242849).

11214215 is an equidigital number, since it uses as much as digits as its factorization.

11214215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242848.

The product of its digits is 80, while the sum is 17.

The square root of 11214215 is about 3348.7632045279. The cubic root of 11214215 is about 223.8324041329.

Adding to 11214215 its reverse (51241211), we get a palindrome (62455426).

The spelling of 11214215 in words is "eleven million, two hundred fourteen thousand, two hundred fifteen".