11297247 has 16 divisors (see below), whose sum is σ = 16662240. Its totient is φ = 6763392.

The previous prime is 11297239. The next prime is 11297281. The reversal of 11297247 is 74279211.

It is not a de Polignac number, because 11297247 - 2³ = 11297239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11297207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2472 + ... + 5357.

It is an arithmetic number, because the mean of its divisors is an integer number (1041390).

Almost surely, 2^11297247 is an apocalyptic number.

11297247 is a deficient number, since it is larger than the sum of its proper divisors (5364993).

11297247 is a wasteful number, since it uses less digits than its factorization.

11297247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7882.

The product of its digits is 7056, while the sum is 33.

The square root of 11297247 is about 3361.1377537971. The cubic root of 11297247 is about 224.3834776426.

The spelling of 11297247 in words is "eleven million, two hundred ninety-seven thousand, two hundred forty-seven".