11949216 has 24 divisors (see below), whose sum is σ = 31366944. Its totient is φ = 3983040.

The previous prime is 11949199. The next prime is 11949239. The reversal of 11949216 is 61294911.

It is a tau number, because it is divible by the number of its divisors (24).

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, 62140 + ... + 62331.

It is an arithmetic number, because the mean of its divisors is an integer number (1306956).

Almost surely, 2^11949216 is an apocalyptic number.

11949216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11949216 is an abundant number, since it is smaller than the sum of its proper divisors (19417728).

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

11949216 is a wasteful number, since it uses less digits than its factorization.

11949216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124484 (or 124476 counting only the distinct ones).

The product of its digits is 3888, while the sum is 33.

The square root of 11949216 is about 3456.7638044853. The cubic root of 11949216 is about 228.6194297997.

The spelling of 11949216 in words is "eleven million, nine hundred forty-nine thousand, two hundred sixteen".