11478544 has 75 divisors (see below), whose sum is σ = 28457535. Its totient is φ = 4472160.

The previous prime is 11478529. The next prime is 11478559. The reversal of 11478544 is 44587411.

It is a happy number.

The square root of 11478544 is 3388.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (11478529) and next prime (11478559).

It is a Duffinian number.

Its product of digits (17920) is a multiple of the sum of its prime divisors (20).

It is a nialpdrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1043499 + ... + 1043509.

Almost surely, 2^11478544 is an apocalyptic number.

11478544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11478544 is the 3388-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11478544

11478544 is an abundant number, since it is smaller than the sum of its proper divisors (16978991).

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

11478544 is an frugal number, since it uses more digits than its factorization.

11478544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 20 counting only the distinct ones).

The product of its digits is 17920, while the sum is 34.

The cubic root of 11478544 is about 225.5774074923.

The spelling of 11478544 in words is "eleven million, four hundred seventy-eight thousand, five hundred forty-four".