11381337 has 16 divisors (see below), whose sum is σ = 18394560. Its totient is φ = 6897600.

The previous prime is 11381329. The next prime is 11381353. The reversal of 11381337 is 73318311.

It is not a de Polignac number, because 11381337 - 2³ = 11381329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 11381337.

It is not an unprimeable number, because it can be changed into a prime (11381317) 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 15 ways as a sum of consecutive naturals, for example, 18864 + ... + 19457.

It is an arithmetic number, because the mean of its divisors is an integer number (1149660).

Almost surely, 2^11381337 is an apocalyptic number.

It is an amenable number.

11381337 is a deficient number, since it is larger than the sum of its proper divisors (7013223).

11381337 is a wasteful number, since it uses less digits than its factorization.

11381337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38341 (or 38335 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 11381337 is about 3373.6237193854. The cubic root of 11381337 is about 224.9388278147.

Adding to 11381337 its reverse (73318311), we get a palindrome (84699648).

The spelling of 11381337 in words is "eleven million, three hundred eighty-one thousand, three hundred thirty-seven".