11913373 has 4 divisors (see below), whose sum is σ = 12022780. Its totient is φ = 11803968.

The previous prime is 11913367. The next prime is 11913389. The reversal of 11913373 is 37331911.

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 4173849 + 7739524 = 2043^2 + 2782^2 .

It is a cyclic number.

It is not a de Polignac number, because 11913373 - 2²¹ = 9816221 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 (11913313) 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, 54540 + ... + 54757.

It is an arithmetic number, because the mean of its divisors is an integer number (3005695).

Almost surely, 2^11913373 is an apocalyptic number.

It is an amenable number.

11913373 is a deficient number, since it is larger than the sum of its proper divisors (109407).

11913373 is a wasteful number, since it uses less digits than its factorization.

11913373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109406.

The product of its digits is 1701, while the sum is 28.

The square root of 11913373 is about 3451.5754373909. The cubic root of 11913373 is about 228.3906110709.

The spelling of 11913373 in words is "eleven million, nine hundred thirteen thousand, three hundred seventy-three".