11690216 has 16 divisors (see below), whose sum is σ = 22386240. Its totient is φ = 5720560.

The previous prime is 11690209. The next prime is 11690243. The reversal of 11690216 is 61209611.

It is a super-2 number, since 2×11690216² = 273322300253312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15170 + ... + 15921.

It is an arithmetic number, because the mean of its divisors is an integer number (1399140).

Almost surely, 2^11690216 is an apocalyptic number.

It is an amenable number.

11690216 is a deficient number, since it is larger than the sum of its proper divisors (10696024).

11690216 is a wasteful number, since it uses less digits than its factorization.

11690216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31144 (or 31140 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 11690216 is about 3419.0957869004. The cubic root of 11690216 is about 226.9555697165.

Adding to 11690216 its reverse (61209611), we get a palindrome (72899827).

The spelling of 11690216 in words is "eleven million, six hundred ninety thousand, two hundred sixteen".