11215012 has 12 divisors (see below), whose sum is σ = 19996956. Its totient is φ = 5501600.

The previous prime is 11215003. The next prime is 11215027. The reversal of 11215012 is 21051211.

It can be written as a sum of positive squares in 2 ways, for example, as 10342656 + 872356 = 3216^2 + 934^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11214983 and 11215001.

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, 26239 + ... + 26662.

It is an arithmetic number, because the mean of its divisors is an integer number (1666413).

Almost surely, 2^11215012 is an apocalyptic number.

It is an amenable number.

11215012 is a deficient number, since it is larger than the sum of its proper divisors (8781944).

11215012 is a wasteful number, since it uses less digits than its factorization.

11215012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52958 (or 52956 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 11215012 is about 3348.8822015711. The cubic root of 11215012 is about 223.8377066351.

Adding to 11215012 its reverse (21051211), we get a palindrome (32266223).

The spelling of 11215012 in words is "eleven million, two hundred fifteen thousand, twelve".