11379681 has 12 divisors (see below), whose sum is σ = 17404452. Its totient is φ = 7140096.

The previous prime is 11379679. The next prime is 11379691. The reversal of 11379681 is 18697311.

It can be written as a sum of positive squares in 2 ways, for example, as 3629025 + 7750656 = 1905^2 + 2784^2 .

It is not a de Polignac number, because 11379681 - 2¹ = 11379679 is a prime.

It is a super-2 number, since 2×11379681² = 258994279323522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11379671) 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, 37036 + ... + 37341.

It is an arithmetic number, because the mean of its divisors is an integer number (1450371).

Almost surely, 2^11379681 is an apocalyptic number.

It is an amenable number.

11379681 is a deficient number, since it is larger than the sum of its proper divisors (6024771).

11379681 is a wasteful number, since it uses less digits than its factorization.

11379681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74400 (or 74397 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 11379681 is about 3373.3782770392. The cubic root of 11379681 is about 224.9279176505.

The spelling of 11379681 in words is "eleven million, three hundred seventy-nine thousand, six hundred eighty-one".