11303212 has 12 divisors (see below), whose sum is σ = 20640816. Its totient is φ = 5405840.

The previous prime is 11303209. The next prime is 11303221. The reversal of 11303212 is 21230311.

11303212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 11303192 and 11303201.

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, 61339 + ... + 61522.

It is an arithmetic number, because the mean of its divisors is an integer number (1720068).

Almost surely, 2^11303212 is an apocalyptic number.

It is an amenable number.

11303212 is a deficient number, since it is larger than the sum of its proper divisors (9337604).

11303212 is a wasteful number, since it uses less digits than its factorization.

11303212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122888 (or 122886 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 11303212 is about 3362.0249850351. The cubic root of 11303212 is about 224.4229625408.

Adding to 11303212 its reverse (21230311), we get a palindrome (32533523).

The spelling of 11303212 in words is "eleven million, three hundred three thousand, two hundred twelve".