11623216 has 20 divisors (see below), whose sum is σ = 24567624. Its totient is φ = 5283200.

The previous prime is 11623169. The next prime is 11623243. The reversal of 11623216 is 61232611.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32845 + ... + 33196.

Almost surely, 2^11623216 is an apocalyptic number.

11623216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11623216 is an abundant number, since it is smaller than the sum of its proper divisors (12944408).

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

11623216 is a wasteful number, since it uses less digits than its factorization.

11623216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66060 (or 66054 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

The square root of 11623216 is about 3409.2837957553. The cubic root of 11623216 is about 226.5211561277.

Adding to 11623216 its reverse (61232611), we get a palindrome (72855827).

It can be divided in two parts, 116 and 23216, that added together give a palindrome (23332).

The spelling of 11623216 in words is "eleven million, six hundred twenty-three thousand, two hundred sixteen".