11713218 has 16 divisors (see below), whose sum is σ = 25556256. Its totient is φ = 3549440.

The previous prime is 11713217. The next prime is 11713237. The reversal of 11713218 is 81231711.

It is a happy number.

11713218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11713217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88671 + ... + 88802.

It is an arithmetic number, because the mean of its divisors is an integer number (1597266).

Almost surely, 2^11713218 is an apocalyptic number.

11713218 is an abundant number, since it is smaller than the sum of its proper divisors (13843038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11713218 is a wasteful number, since it uses less digits than its factorization.

11713218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177489.

The product of its digits is 336, while the sum is 24.

The square root of 11713218 is about 3422.4578887110. The cubic root of 11713218 is about 227.1043269278.

Adding to 11713218 its reverse (81231711), we get a palindrome (92944929).

The spelling of 11713218 in words is "eleven million, seven hundred thirteen thousand, two hundred eighteen".