11641212 has 96 divisors (see below), whose sum is σ = 33868800. Its totient is φ = 3427200.

The previous prime is 11641211. The next prime is 11641219. The reversal of 11641212 is 21214611.

11641212 is a `hidden beast` number, since 1 + 1 + 641 + 21 + 2 = 666.

11641212 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

11641212 is a modest number, since divided by 1212 gives 1164 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11641211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48589 + ... + 48827.

It is an arithmetic number, because the mean of its divisors is an integer number (352800).

Almost surely, 2^11641212 is an apocalyptic number.

11641212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11641212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16934400).

11641212 is an abundant number, since it is smaller than the sum of its proper divisors (22227588).

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

11641212 is a wasteful number, since it uses less digits than its factorization.

11641212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 296 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 11641212 is about 3411.9220389687. The cubic root of 11641212 is about 226.6380019499.

Adding to 11641212 its reverse (21214611), we get a palindrome (32855823).

It can be divided in two parts, 116 and 41212, that added together give a triangular number (41328 = T₂₈₇).

The spelling of 11641212 in words is "eleven million, six hundred forty-one thousand, two hundred twelve".