11810427 has 16 divisors (see below), whose sum is σ = 16745472. Its totient is φ = 7378560.

The previous prime is 11810401. The next prime is 11810441. The reversal of 11810427 is 72401811.

It is not a de Polignac number, because 11810427 - 2⁸ = 11810171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11810397 and 11810406.

It is not an unprimeable number, because it can be changed into a prime (11810497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18402 + ... + 19032.

It is an arithmetic number, because the mean of its divisors is an integer number (1046592).

Almost surely, 2^11810427 is an apocalyptic number.

11810427 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11810427 is a deficient number, since it is larger than the sum of its proper divisors (4935045).

11810427 is a wasteful number, since it uses less digits than its factorization.

11810427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 11810427 is about 3436.6301808603. The cubic root of 11810427 is about 227.7308496797.

The spelling of 11810427 in words is "eleven million, eight hundred ten thousand, four hundred twenty-seven".