11214505 has 8 divisors (see below), whose sum is σ = 13481352. Its totient is φ = 8955648.

The previous prime is 11214499. The next prime is 11214559. The reversal of 11214505 is 50541211.

It can be written as a sum of positive squares in 4 ways, for example, as 7198489 + 4016016 = 2683^2 + 2004^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11214505 - 2⁵ = 11214473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1729 + ... + 5041.

It is an arithmetic number, because the mean of its divisors is an integer number (1685169).

Almost surely, 2^11214505 is an apocalyptic number.

It is an amenable number.

11214505 is a deficient number, since it is larger than the sum of its proper divisors (2266847).

11214505 is an equidigital number, since it uses as much as digits as its factorization.

11214505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3995.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 11214505 is about 3348.8065038159. The cubic root of 11214505 is about 223.8343335543.

Adding to 11214505 its reverse (50541211), we get a palindrome (61755716).

The spelling of 11214505 in words is "eleven million, two hundred fourteen thousand, five hundred five".