11217394 has 4 divisors (see below), whose sum is σ = 16826094. Its totient is φ = 5608696.

The previous prime is 11217389. The next prime is 11217407. The reversal of 11217394 is 49371211.

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

It can be written as a sum of positive squares in only one way, i.e., 8922169 + 2295225 = 2987^2 + 1515^2 .

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 as a sum of consecutive naturals, namely, 2804347 + ... + 2804350.

Almost surely, 2^11217394 is an apocalyptic number.

11217394 is a deficient number, since it is larger than the sum of its proper divisors (5608700).

11217394 is an equidigital number, since it uses as much as digits as its factorization.

11217394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5608699.

The product of its digits is 1512, while the sum is 28.

The square root of 11217394 is about 3349.2378237444. The cubic root of 11217394 is about 223.8535527669.

It can be divided in two parts, 11217 and 394, that added together give a palindrome (11611).

The spelling of 11217394 in words is "eleven million, two hundred seventeen thousand, three hundred ninety-four".