11647480 has 48 divisors (see below), whose sum is σ = 28394280. Its totient is φ = 4298112.

The previous prime is 11647477. The next prime is 11647483. The reversal of 11647480 is 8474611.

It is an interprime number because it is at equal distance from previous prime (11647477) and next prime (11647483).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11647483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5899 + ... + 7621.

Almost surely, 2^11647480 is an apocalyptic number.

11647480 is a gapful number since it is divisible by the number (10) 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 11647480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14197140).

11647480 is an abundant number, since it is smaller than the sum of its proper divisors (16746800).

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

11647480 is a wasteful number, since it uses less digits than its factorization.

11647480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760 (or 1743 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 11647480 is about 3412.8404592070. The cubic root of 11647480 is about 226.6786710290.

The spelling of 11647480 in words is "eleven million, six hundred forty-seven thousand, four hundred eighty".