11214455 has 16 divisors (see below), whose sum is σ = 16049664. Its totient is φ = 7355040.

The previous prime is 11214449. The next prime is 11214473. The reversal of 11214455 is 55441211.

It is a de Polignac number, because none of the positive numbers 2^k-11214455 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11214455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6161 + ... + 7770.

It is an arithmetic number, because the mean of its divisors is an integer number (1003104).

Almost surely, 2^11214455 is an apocalyptic number.

11214455 is a deficient number, since it is larger than the sum of its proper divisors (4835209).

11214455 is a wasteful number, since it uses less digits than its factorization.

11214455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13966.

The product of its digits is 800, while the sum is 23.

The square root of 11214455 is about 3348.7990384614. The cubic root of 11214455 is about 223.8340008978.

Adding to 11214455 its reverse (55441211), we get a palindrome (66655666).

The spelling of 11214455 in words is "eleven million, two hundred fourteen thousand, four hundred fifty-five".