1099012 has 12 divisors (see below), whose sum is σ = 1985536. Its totient is φ = 531720.

The previous prime is 1098989. The next prime is 1099031. The reversal of 1099012 is 2109901.

It is a super-2 number, since 2×1099012² = 2415654752288, 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, 4308 + ... + 4555.

2^1099012 is an apocalyptic number.

It is an amenable number.

1099012 is a deficient number, since it is larger than the sum of its proper divisors (886524).

1099012 is a wasteful number, since it uses less digits than its factorization.

1099012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8898 (or 8896 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 1099012 is about 1048.3377318403. The cubic root of 1099012 is about 103.1970964470.

The spelling of 1099012 in words is "one million, ninety-nine thousand, twelve".