11988037 has 8 divisors (see below), whose sum is σ = 12848256. Its totient is φ = 11156112.

The previous prime is 11988029. The next prime is 11988047. The reversal of 11988037 is 73088911.

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 11988037 - 2³ = 11988029 is a prime.

It is a super-2 number, since 2×11988037² = 287426062226738, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11987987 and 11988005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11988047) 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, 6193 + ... + 7894.

It is an arithmetic number, because the mean of its divisors is an integer number (1606032).

Almost surely, 2^11988037 is an apocalyptic number.

It is an amenable number.

11988037 is a deficient number, since it is larger than the sum of its proper divisors (860219).

11988037 is a wasteful number, since it uses less digits than its factorization.

11988037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14147.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 11988037 is about 3462.3744742590. The cubic root of 11988037 is about 228.8667442347.

The spelling of 11988037 in words is "eleven million, nine hundred eighty-eight thousand, thirty-seven".