11297447 has 4 divisors (see below), whose sum is σ = 12911376. Its totient is φ = 9683520.

The previous prime is 11297441. The next prime is 11297453. The reversal of 11297447 is 74479211.

11297447 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (11297441) and next prime (11297453).

It is not a de Polignac number, because 11297447 - 2¹⁰ = 11296423 is a prime.

It is a Duffinian number.

11297447 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11297441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 806954 + ... + 806967.

It is an arithmetic number, because the mean of its divisors is an integer number (3227844).

Almost surely, 2^11297447 is an apocalyptic number.

11297447 is a deficient number, since it is larger than the sum of its proper divisors (1613929).

11297447 is an equidigital number, since it uses as much as digits as its factorization.

11297447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613928.

The product of its digits is 14112, while the sum is 35.

The square root of 11297447 is about 3361.1675054957. The cubic root of 11297447 is about 224.3848017537.

The spelling of 11297447 in words is "eleven million, two hundred ninety-seven thousand, four hundred forty-seven".