11447480 has 32 divisors (see below), whose sum is σ = 28099440. Its totient is φ = 4162560.

The previous prime is 11447459. The next prime is 11447483. The reversal of 11447480 is 8474411.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11447483) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12569 + ... + 13448.

Almost surely, 2^11447480 is an apocalyptic number.

11447480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11447480 is an abundant number, since it is smaller than the sum of its proper divisors (16651960).

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

11447480 is a wasteful number, since it uses less digits than its factorization.

11447480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26039 (or 26035 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 11447480 is about 3383.4124785488. The cubic root of 11447480 is about 225.3737327827.

The spelling of 11447480 in words is "eleven million, four hundred forty-seven thousand, four hundred eighty".