11381712 has 40 divisors (see below), whose sum is σ = 30355200. Its totient is φ = 3671040.

The previous prime is 11381693. The next prime is 11381719. The reversal of 11381712 is 21718311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11381719) 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 7 ways as a sum of consecutive naturals, for example, 2337 + ... + 5312.

It is an arithmetic number, because the mean of its divisors is an integer number (758880).

Almost surely, 2^11381712 is an apocalyptic number.

11381712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11381712 is an abundant number, since it is smaller than the sum of its proper divisors (18973488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11381712 is a wasteful number, since it uses less digits than its factorization.

11381712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7691 (or 7685 counting only the distinct ones).

The product of its digits is 336, while the sum is 24.

The square root of 11381712 is about 3373.6792971473. The cubic root of 11381712 is about 224.9412982665.

It can be divided in two parts, 1138 and 1712, that added together give a triangular number (2850 = T₇₅).

The spelling of 11381712 in words is "eleven million, three hundred eighty-one thousand, seven hundred twelve".