11748247 has 4 divisors (see below), whose sum is σ = 13426576. Its totient is φ = 10069920.

The previous prime is 11748227. The next prime is 11748281. The reversal of 11748247 is 74284711.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11748247 - 2⁷ = 11748119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11748227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 839154 + ... + 839167.

It is an arithmetic number, because the mean of its divisors is an integer number (3356644).

Almost surely, 2^11748247 is an apocalyptic number.

11748247 is a deficient number, since it is larger than the sum of its proper divisors (1678329).

11748247 is an equidigital number, since it uses as much as digits as its factorization.

11748247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678328.

The product of its digits is 12544, while the sum is 34.

The square root of 11748247 is about 3427.5715893326. The cubic root of 11748247 is about 227.3304908061.

Subtracting 11748247 from its reverse (74284711), we obtain a square (62536464 = 7908²).

The spelling of 11748247 in words is "eleven million, seven hundred forty-eight thousand, two hundred forty-seven".