11773481 has 4 divisors (see below), whose sum is σ = 11802000. Its totient is φ = 11744964.

The previous prime is 11773477. The next prime is 11773499. The reversal of 11773481 is 18437711.

It is a happy number.

11773481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11773481 - 2² = 11773477 is a prime.

It is a super-2 number, since 2×11773481² = 277229709714722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11773451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13631 + ... + 14468.

It is an arithmetic number, because the mean of its divisors is an integer number (2950500).

Almost surely, 2^11773481 is an apocalyptic number.

It is an amenable number.

11773481 is a deficient number, since it is larger than the sum of its proper divisors (28519).

11773481 is an equidigital number, since it uses as much as digits as its factorization.

11773481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28518.

The product of its digits is 4704, while the sum is 32.

The square root of 11773481 is about 3431.2506466302. The cubic root of 11773481 is about 227.4931350825.

The spelling of 11773481 in words is "eleven million, seven hundred seventy-three thousand, four hundred eighty-one".