11320427 has 2 divisors, whose sum is σ = 11320428. Its totient is φ = 11320426.

The previous prime is 11320423. The next prime is 11320433. The reversal of 11320427 is 72402311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11320427 - 2² = 11320423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11320399 and 11320408.

It is not a weakly prime, because it can be changed into another prime (11320423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660213 + 5660214.

It is an arithmetic number, because the mean of its divisors is an integer number (5660214).

Almost surely, 2^11320427 is an apocalyptic number.

11320427 is a deficient number, since it is larger than the sum of its proper divisors (1).

11320427 is an equidigital number, since it uses as much as digits as its factorization.

11320427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 11320427 is about 3364.5842239421. The cubic root of 11320427 is about 224.5368381835.

Adding to 11320427 its reverse (72402311), we get a palindrome (83722738).

The spelling of 11320427 in words is "eleven million, three hundred twenty thousand, four hundred twenty-seven".