11386481 has 8 divisors (see below), whose sum is σ = 12146760. Its totient is φ = 10636288.

The previous prime is 11386471. The next prime is 11386489. The reversal of 11386481 is 18468311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4579600 + 6806881 = 2140^2 + 2609^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11386481 is a prime.

It is a super-2 number, since 2×11386481² = 259303899126722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11386489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116 + ... + 4773.

It is an arithmetic number, because the mean of its divisors is an integer number (1518345).

Almost surely, 2^11386481 is an apocalyptic number.

It is an amenable number.

11386481 is a deficient number, since it is larger than the sum of its proper divisors (760279).

11386481 is a wasteful number, since it uses less digits than its factorization.

11386481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5043.

The product of its digits is 4608, while the sum is 32.

The square root of 11386481 is about 3374.3860182261. The cubic root of 11386481 is about 224.9727110937.

The spelling of 11386481 in words is "eleven million, three hundred eighty-six thousand, four hundred eighty-one".