11403252 has 72 divisors (see below), whose sum is σ = 33860736. Its totient is φ = 3167424.

The previous prime is 11403247. The next prime is 11403283. The reversal of 11403252 is 25230411.

11403252 is a `hidden beast` number, since 11 + 403 + 252 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8713 + ... + 9935.

It is an arithmetic number, because the mean of its divisors is an integer number (470288).

Almost surely, 2^11403252 is an apocalyptic number.

11403252 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 11403252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16930368).

11403252 is an abundant number, since it is smaller than the sum of its proper divisors (22457484).

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

11403252 is a wasteful number, since it uses less digits than its factorization.

11403252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277 (or 1272 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 11403252 is about 3376.8701485251. The cubic root of 11403252 is about 225.0831100379.

Adding to 11403252 its reverse (25230411), we get a palindrome (36633663).

The spelling of 11403252 in words is "eleven million, four hundred three thousand, two hundred fifty-two".