1149216 has 24 divisors (see below), whose sum is σ = 3016944. Its totient is φ = 383040.

The previous prime is 1149209. The next prime is 1149221. The reversal of 1149216 is 6129411.

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

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (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, 5890 + ... + 6081.

It is an arithmetic number, because the mean of its divisors is an integer number (125706).

2^1149216 is an apocalyptic number.

1149216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1149216 is an abundant number, since it is smaller than the sum of its proper divisors (1867728).

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

1149216 is a wasteful number, since it uses less digits than its factorization.

1149216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11984 (or 11976 counting only the distinct ones).

The product of its digits is 432, while the sum is 24.

The square root of 1149216 is about 1072.0149252692. The cubic root of 1149216 is about 104.7451415393.

The spelling of 1149216 in words is "one million, one hundred forty-nine thousand, two hundred sixteen".