11403132 has 48 divisors (see below), whose sum is σ = 29108352. Its totient is φ = 3453120.

The previous prime is 11403131. The next prime is 11403137. The reversal of 11403132 is 23130411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9907 + ... + 10997.

It is an arithmetic number, because the mean of its divisors is an integer number (606424).

Almost surely, 2^11403132 is an apocalyptic number.

11403132 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 11403132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14554176).

11403132 is an abundant number, since it is smaller than the sum of its proper divisors (17705220).

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

11403132 is a wasteful number, since it uses less digits than its factorization.

11403132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178 (or 1176 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 11403132 is about 3376.8523805461. The cubic root of 11403132 is about 225.0823204951.

Adding to 11403132 its reverse (23130411), we get a palindrome (34533543).

The spelling of 11403132 in words is "eleven million, four hundred three thousand, one hundred thirty-two".