11148947 has 2 divisors, whose sum is σ = 11148948. Its totient is φ = 11148946.

The previous prime is 11148899. The next prime is 11148967. The reversal of 11148947 is 74984111.

11148947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11148947 is a prime.

It is not a weakly prime, because it can be changed into another prime (11148967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5574473 + 5574474.

It is an arithmetic number, because the mean of its divisors is an integer number (5574474).

Almost surely, 2^11148947 is an apocalyptic number.

11148947 is a deficient number, since it is larger than the sum of its proper divisors (1).

11148947 is an equidigital number, since it uses as much as digits as its factorization.

11148947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 35.

The square root of 11148947 is about 3339.0038933790. The cubic root of 11148947 is about 223.3973156450.

The spelling of 11148947 in words is "eleven million, one hundred forty-eight thousand, nine hundred forty-seven".