11497445 has 4 divisors (see below), whose sum is σ = 13796940. Its totient is φ = 9197952.

The previous prime is 11497397. The next prime is 11497487. The reversal of 11497445 is 54479411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54479411 = 7 ⋅7782773.

It can be written as a sum of positive squares in 2 ways, for example, as 5262436 + 6235009 = 2294^2 + 2497^2 .

It is a cyclic number.

It is not a de Polignac number, because 11497445 - 2²⁰ = 10448869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1149740 + ... + 1149749.

It is an arithmetic number, because the mean of its divisors is an integer number (3449235).

Almost surely, 2^11497445 is an apocalyptic number.

It is an amenable number.

11497445 is a deficient number, since it is larger than the sum of its proper divisors (2299495).

11497445 is an equidigital number, since it uses as much as digits as its factorization.

11497445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299494.

The product of its digits is 20160, while the sum is 35.

The square root of 11497445 is about 3390.7882564383. The cubic root of 11497445 is about 225.7011543280.

The spelling of 11497445 in words is "eleven million, four hundred ninety-seven thousand, four hundred forty-five".