11381474 has 24 divisors (see below), whose sum is σ = 18692352. Its totient is φ = 5194800.

The previous prime is 11381471. The next prime is 11381479. The reversal of 11381474 is 47418311.

It is not an unprimeable number, because it can be changed into a prime (11381471) 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 11 ways as a sum of consecutive naturals, for example, 50927 + ... + 51149.

It is an arithmetic number, because the mean of its divisors is an integer number (778848).

Almost surely, 2^11381474 is an apocalyptic number.

11381474 is a deficient number, since it is larger than the sum of its proper divisors (7310878).

11381474 is a wasteful number, since it uses less digits than its factorization.

11381474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 389 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 11381474 is about 3373.6440239006. The cubic root of 11381474 is about 224.9397303594.

Adding to 11381474 its reverse (47418311), we get a palindrome (58799785).

The spelling of 11381474 in words is "eleven million, three hundred eighty-one thousand, four hundred seventy-four".