11379809 has 12 divisors (see below), whose sum is σ = 13428288. Its totient is φ = 9613800.

The previous prime is 11379799. The next prime is 11379811. The reversal of 11379809 is 90897311.

It is not a de Polignac number, because 11379809 - 2⁸ = 11379553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11379869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1844 + ... + 5114.

It is an arithmetic number, because the mean of its divisors is an integer number (1119024).

Almost surely, 2^11379809 is an apocalyptic number.

It is an amenable number.

11379809 is a deficient number, since it is larger than the sum of its proper divisors (2048479).

11379809 is an equidigital number, since it uses as much as digits as its factorization.

11379809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3356 (or 3349 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 11379809 is about 3373.3972490651. The cubic root of 11379809 is about 224.9287609859.

The spelling of 11379809 in words is "eleven million, three hundred seventy-nine thousand, eight hundred nine".