11397544 has 16 divisors (see below), whose sum is σ = 21774420. Its totient is φ = 5591040.

The previous prime is 11397541. The next prime is 11397557. The reversal of 11397544 is 44579311.

It can be written as a sum of positive squares in 2 ways, for example, as 10640644 + 756900 = 3262^2 + 870^2 .

It is not an unprimeable number, because it can be changed into a prime (11397541) 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, 13017 + ... + 13864.

Almost surely, 2^11397544 is an apocalyptic number.

It is an amenable number.

11397544 is a deficient number, since it is larger than the sum of its proper divisors (10376876).

11397544 is a wasteful number, since it uses less digits than its factorization.

11397544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26940 (or 26936 counting only the distinct ones).

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

The square root of 11397544 is about 3376.0248814249. The cubic root of 11397544 is about 225.0455479805.

The spelling of 11397544 in words is "eleven million, three hundred ninety-seven thousand, five hundred forty-four".