11544397 has 4 divisors (see below), whose sum is σ = 11603196. Its totient is φ = 11485600.

The previous prime is 11544391. The next prime is 11544409. The reversal of 11544397 is 79344511.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8874441 + 2669956 = 2979^2 + 1634^2 .

It is a cyclic number.

It is not a de Polignac number, because 11544397 - 2¹⁹ = 11020109 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 (11544391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29104 + ... + 29497.

It is an arithmetic number, because the mean of its divisors is an integer number (2900799).

Almost surely, 2^11544397 is an apocalyptic number.

It is an amenable number.

11544397 is a deficient number, since it is larger than the sum of its proper divisors (58799).

11544397 is an equidigital number, since it uses as much as digits as its factorization.

11544397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58798.

The product of its digits is 15120, while the sum is 34.

The square root of 11544397 is about 3397.7046663888. The cubic root of 11544397 is about 226.0079682366.

The spelling of 11544397 in words is "eleven million, five hundred forty-four thousand, three hundred ninety-seven".