11379988 has 12 divisors (see below), whose sum is σ = 20042932. Its totient is φ = 5653440.

The previous prime is 11379967. The next prime is 11379989. The reversal of 11379988 is 88997311.

It can be written as a sum of positive squares in 2 ways, for example, as 3640464 + 7739524 = 1908^2 + 2782^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11379989) 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 3 ways as a sum of consecutive naturals, for example, 8433 + ... + 9688.

Almost surely, 2^11379988 is an apocalyptic number.

It is an amenable number.

11379988 is a deficient number, since it is larger than the sum of its proper divisors (8662944).

11379988 is a wasteful number, since it uses less digits than its factorization.

11379988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18282 (or 18280 counting only the distinct ones).

The product of its digits is 108864, while the sum is 46.

The square root of 11379988 is about 3373.4237800786. The cubic root of 11379988 is about 224.9299403273.

The spelling of 11379988 in words is "eleven million, three hundred seventy-nine thousand, nine hundred eighty-eight".