11197427 has 2 divisors, whose sum is σ = 11197428. Its totient is φ = 11197426.

The previous prime is 11197411. The next prime is 11197453. The reversal of 11197427 is 72479111.

It is a weak prime.

It is an emirp because it is prime and its reverse (72479111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11197427 - 2⁴ = 11197411 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11197393 and 11197402.

It is not a weakly prime, because it can be changed into another prime (11197457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5598713 + 5598714.

It is an arithmetic number, because the mean of its divisors is an integer number (5598714).

Almost surely, 2^11197427 is an apocalyptic number.

11197427 is a deficient number, since it is larger than the sum of its proper divisors (1).

11197427 is an equidigital number, since it uses as much as digits as its factorization.

11197427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528, while the sum is 32.

The square root of 11197427 is about 3346.2556686541. The cubic root of 11197427 is about 223.7206538502.

The spelling of 11197427 in words is "eleven million, one hundred ninety-seven thousand, four hundred twenty-seven".