11478272 has 36 divisors (see below), whose sum is σ = 24681300. Its totient is φ = 5296128.

The previous prime is 11478227. The next prime is 11478317. The reversal of 11478272 is 27287411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11478227) and next prime (11478317).

It can be written as a sum of positive squares in 2 ways, for example, as 614656 + 10863616 = 784^2 + 3296^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604 + ... + 5052.

Almost surely, 2^11478272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11478272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12340650).

11478272 is an abundant number, since it is smaller than the sum of its proper divisors (13203028).

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

11478272 is an equidigital number, since it uses as much as digits as its factorization.

11478272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3478 (or 3464 counting only the distinct ones).

The product of its digits is 6272, while the sum is 32.

The square root of 11478272 is about 3387.9598580857. The cubic root of 11478272 is about 225.5756256885.

The spelling of 11478272 in words is "eleven million, four hundred seventy-eight thousand, two hundred seventy-two".