11470247 has 4 divisors (see below), whose sum is σ = 11615520. Its totient is φ = 11324976.

The previous prime is 11470237. The next prime is 11470253. The reversal of 11470247 is 74207411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74207411 = 283 ⋅262217.

It is a cyclic number.

It is not a de Polignac number, because 11470247 - 2¹² = 11466151 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 (11470237) 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, 72518 + ... + 72675.

It is an arithmetic number, because the mean of its divisors is an integer number (2903880).

Almost surely, 2^11470247 is an apocalyptic number.

11470247 is a deficient number, since it is larger than the sum of its proper divisors (145273).

11470247 is an equidigital number, since it uses as much as digits as its factorization.

11470247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145272.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 11470247 is about 3386.7753099372. The cubic root of 11470247 is about 225.5230432546.

Adding to 11470247 its reverse (74207411), we get a palindrome (85677658).

The spelling of 11470247 in words is "eleven million, four hundred seventy thousand, two hundred forty-seven".