11381745 has 8 divisors (see below), whose sum is σ = 18210816. Its totient is φ = 6070256.

The previous prime is 11381731. The next prime is 11381753. The reversal of 11381745 is 54718311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11381745 - 2⁹ = 11381233 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379377 + ... + 379406.

It is an arithmetic number, because the mean of its divisors is an integer number (2276352).

Almost surely, 2^11381745 is an apocalyptic number.

11381745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11381745 is a deficient number, since it is larger than the sum of its proper divisors (6829071).

11381745 is an equidigital number, since it uses as much as digits as its factorization.

11381745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758791.

The product of its digits is 3360, while the sum is 30.

The square root of 11381745 is about 3373.6841879465. The cubic root of 11381745 is about 224.9415156637.

The spelling of 11381745 in words is "eleven million, three hundred eighty-one thousand, seven hundred forty-five".