11421132 has 24 divisors (see below), whose sum is σ = 26972736. Its totient is φ = 3760848.

The previous prime is 11421121. The next prime is 11421143. The reversal of 11421132 is 23112411.

11421132 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 an interprime number because it is at equal distance from previous prime (11421121) and next prime (11421143).

It is a super-2 number, since 2×11421132² = 260884512322848, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4738 + ... + 6729.

It is an arithmetic number, because the mean of its divisors is an integer number (1123864).

Almost surely, 2^11421132 is an apocalyptic number.

11421132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11421132 is an abundant number, since it is smaller than the sum of its proper divisors (15551604).

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

11421132 is a wasteful number, since it uses less digits than its factorization.

11421132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11557 (or 11555 counting only the distinct ones).

The product of its digits is 48, while the sum is 15.

The square root of 11421132 is about 3379.5165334704. The cubic root of 11421132 is about 225.2006900759.

Adding to 11421132 its reverse (23112411), we get a palindrome (34533543).

The spelling of 11421132 in words is "eleven million, four hundred twenty-one thousand, one hundred thirty-two".