11213678 has 8 divisors (see below), whose sum is σ = 19223472. Its totient is φ = 4805856.

The previous prime is 11213677. The next prime is 11213689. The reversal of 11213678 is 87631211.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11213678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400475 + ... + 400502.

It is an arithmetic number, because the mean of its divisors is an integer number (2402934).

Almost surely, 2^11213678 is an apocalyptic number.

11213678 is a deficient number, since it is larger than the sum of its proper divisors (8009794).

11213678 is an equidigital number, since it uses as much as digits as its factorization.

11213678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800986.

The product of its digits is 2016, while the sum is 29.

The square root of 11213678 is about 3348.6830247128. The cubic root of 11213678 is about 223.8288312890.

Adding to 11213678 its reverse (87631211), we get a palindrome (98844889).

The spelling of 11213678 in words is "eleven million, two hundred thirteen thousand, six hundred seventy-eight".