11440212 has 24 divisors (see below), whose sum is σ = 30507456. Its totient is φ = 3268608.

The previous prime is 11440211. The next prime is 11440217. The reversal of 11440212 is 21204411.

It is a junction number, because it is equal to n+sod(n) for n = 11440191 and 11440200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11440211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68013 + ... + 68180.

It is an arithmetic number, because the mean of its divisors is an integer number (1271144).

Almost surely, 2^11440212 is an apocalyptic number.

11440212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11440212 is an abundant number, since it is smaller than the sum of its proper divisors (19067244).

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

11440212 is a wasteful number, since it uses less digits than its factorization.

11440212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136207 (or 136205 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 11440212 is about 3382.3382444693. The cubic root of 11440212 is about 225.3260261238.

Adding to 11440212 its reverse (21204411), we get a palindrome (32644623).

The spelling of 11440212 in words is "eleven million, four hundred forty thousand, two hundred twelve".