11730427 has 4 divisors (see below), whose sum is σ = 11905576. Its totient is φ = 11555280.

The previous prime is 11730409. The next prime is 11730449. The reversal of 11730427 is 72403711.

It is a happy number.

11730427 is digitally balanced in base 3, 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 an emirpimes, since its reverse is a distinct semiprime: 72403711 = 251 ⋅288461.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11730427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11730457) 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, 87474 + ... + 87607.

It is an arithmetic number, because the mean of its divisors is an integer number (2976394).

Almost surely, 2^11730427 is an apocalyptic number.

11730427 is a deficient number, since it is larger than the sum of its proper divisors (175149).

11730427 is an equidigital number, since it uses as much as digits as its factorization.

11730427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175148.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 11730427 is about 3424.9710947685. The cubic root of 11730427 is about 227.2154926762.

The spelling of 11730427 in words is "eleven million, seven hundred thirty thousand, four hundred twenty-seven".