11987672 has 32 divisors (see below), whose sum is σ = 23468400. Its totient is φ = 5733504.

The previous prime is 11987671. The next prime is 11987681. The reversal of 11987672 is 27678911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11987671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37658 + ... + 37974.

Almost surely, 2^11987672 is an apocalyptic number.

It is an amenable number.

11987672 is a deficient number, since it is larger than the sum of its proper divisors (11480728).

11987672 is a wasteful number, since it uses less digits than its factorization.

11987672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 511 counting only the distinct ones).

The product of its digits is 42336, while the sum is 41.

The square root of 11987672 is about 3462.3217643656. The cubic root of 11987672 is about 228.8644214410.

The spelling of 11987672 in words is "eleven million, nine hundred eighty-seven thousand, six hundred seventy-two".