11987637 has 8 divisors (see below), whose sum is σ = 16100736. Its totient is φ = 7933152.

The previous prime is 11987629. The next prime is 11987641. The reversal of 11987637 is 73678911.

11987637 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11987637 - 2³ = 11987629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11987627) 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, 14173 + ... + 14994.

It is an arithmetic number, because the mean of its divisors is an integer number (2012592).

Almost surely, 2^11987637 is an apocalyptic number.

It is an amenable number.

11987637 is a deficient number, since it is larger than the sum of its proper divisors (4113099).

11987637 is a wasteful number, since it uses less digits than its factorization.

11987637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29307.

The product of its digits is 63504, while the sum is 42.

The square root of 11987637 is about 3462.3167099501. The cubic root of 11987637 is about 228.8641987049.

The spelling of 11987637 in words is "eleven million, nine hundred eighty-seven thousand, six hundred thirty-seven".