11478732 has 48 divisors (see below), whose sum is σ = 27885312. Its totient is φ = 3672000.

The previous prime is 11478713. The next prime is 11478743. The reversal of 11478732 is 23787411.

It is a happy number.

It is a super-2 number, since 2×11478732² = 263522576655648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11478693 and 11478702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45607 + ... + 45857.

It is an arithmetic number, because the mean of its divisors is an integer number (580944).

Almost surely, 2^11478732 is an apocalyptic number.

11478732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11478732 is an abundant number, since it is smaller than the sum of its proper divisors (16406580).

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

11478732 is a wasteful number, since it uses less digits than its factorization.

11478732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 396 counting only the distinct ones).

The product of its digits is 9408, while the sum is 33.

The square root of 11478732 is about 3388.0277448687. The cubic root of 11478732 is about 225.5786390167.

The spelling of 11478732 in words is "eleven million, four hundred seventy-eight thousand, seven hundred thirty-two".