11454215 has 4 divisors (see below), whose sum is σ = 13745064. Its totient is φ = 9163368.

The previous prime is 11454199. The next prime is 11454239. The reversal of 11454215 is 51245411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51245411 = 7 ⋅7320773.

It is a cyclic number.

It is not a de Polignac number, because 11454215 - 2⁴ = 11454199 is a prime.

It is a Duffinian number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1145417 + ... + 1145426.

It is an arithmetic number, because the mean of its divisors is an integer number (3436266).

Almost surely, 2^11454215 is an apocalyptic number.

11454215 is a deficient number, since it is larger than the sum of its proper divisors (2290849).

11454215 is an equidigital number, since it uses as much as digits as its factorization.

11454215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290848.

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

The square root of 11454215 is about 3384.4076291133. The cubic root of 11454215 is about 225.4179228434.

Adding to 11454215 its reverse (51245411), we get a palindrome (62699626).

The spelling of 11454215 in words is "eleven million, four hundred fifty-four thousand, two hundred fifteen".