11211492 has 12 divisors (see below), whose sum is σ = 26160176. Its totient is φ = 3737160.

The previous prime is 11211479. The next prime is 11211493. The reversal of 11211492 is 29411211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (11211493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467134 + ... + 467157.

Almost surely, 2^11211492 is an apocalyptic number.

11211492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11211492 is an abundant number, since it is smaller than the sum of its proper divisors (14948684).

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

11211492 is a wasteful number, since it uses less digits than its factorization.

11211492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934298 (or 934296 counting only the distinct ones).

The product of its digits is 144, while the sum is 21.

The square root of 11211492 is about 3348.3566118321. The cubic root of 11211492 is about 223.8142859090.

The spelling of 11211492 in words is "eleven million, two hundred eleven thousand, four hundred ninety-two".