11347145 has 4 divisors (see below), whose sum is σ = 13616580. Its totient is φ = 9077712.

The previous prime is 11347139. The next prime is 11347151. The reversal of 11347145 is 54174311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54174311 = 941 ⋅57571.

It is an interprime number because it is at equal distance from previous prime (11347139) and next prime (11347151).

It can be written as a sum of positive squares in 2 ways, for example, as 3888784 + 7458361 = 1972^2 + 2731^2 .

It is a cyclic number.

It is not a de Polignac number, because 11347145 - 2⁴ = 11347129 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1134710 + ... + 1134719.

It is an arithmetic number, because the mean of its divisors is an integer number (3404145).

Almost surely, 2^11347145 is an apocalyptic number.

It is an amenable number.

11347145 is a deficient number, since it is larger than the sum of its proper divisors (2269435).

11347145 is an equidigital number, since it uses as much as digits as its factorization.

11347145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269434.

The product of its digits is 1680, while the sum is 26.

The square root of 11347145 is about 3368.5523596940. The cubic root of 11347145 is about 224.7133468892.

The spelling of 11347145 in words is "eleven million, three hundred forty-seven thousand, one hundred forty-five".