11247732 has 36 divisors (see below), whose sum is σ = 28733796. Its totient is φ = 3709440.

The previous prime is 11247683. The next prime is 11247739. The reversal of 11247732 is 23774211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6937956 + 4309776 = 2634^2 + 2076^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×11247732² = 253022950287648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11247696 and 11247705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11247739) 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 11 ways as a sum of consecutive naturals, for example, 1882 + ... + 5102.

It is an arithmetic number, because the mean of its divisors is an integer number (798161).

Almost surely, 2^11247732 is an apocalyptic number.

11247732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11247732 is an abundant number, since it is smaller than the sum of its proper divisors (17486064).

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

11247732 is a wasteful number, since it uses less digits than its factorization.

11247732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3328 (or 3323 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 11247732 is about 3353.7638557299. The cubic root of 11247732 is about 224.0551787959.

The spelling of 11247732 in words is "eleven million, two hundred forty-seven thousand, seven hundred thirty-two".