1113212 has 24 divisors (see below), whose sum is σ = 2041200. Its totient is φ = 530816.

The previous prime is 1113199. The next prime is 1113221. The reversal of 1113212 is 2123111.

It is a junction number, because it is equal to n+sod(n) for n = 1113193 and 1113202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12464 + ... + 12552.

It is an arithmetic number, because the mean of its divisors is an integer number (85050).

2^1113212 is an apocalyptic number.

It is an amenable number.

1113212 is a deficient number, since it is larger than the sum of its proper divisors (927988).

1113212 is a wasteful number, since it uses less digits than its factorization.

1113212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 203 counting only the distinct ones).

The product of its digits is 12, while the sum is 11.

The square root of 1113212 is about 1055.0886218702. The cubic root of 1113212 is about 103.6396552673.

Adding to 1113212 its reverse (2123111), we get a palindrome (3236323).

The spelling of 1113212 in words is "one million, one hundred thirteen thousand, two hundred twelve".