11928087 has 16 divisors (see below), whose sum is σ = 18242560. Its totient is φ = 7695000.

The previous prime is 11928079. The next prime is 11928107. The reversal of 11928087 is 78082911.

It is not a de Polignac number, because 11928087 - 2³ = 11928079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11928017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6289 + ... + 7962.

It is an arithmetic number, because the mean of its divisors is an integer number (1140160).

Almost surely, 2^11928087 is an apocalyptic number.

11928087 is a deficient number, since it is larger than the sum of its proper divisors (6314473).

11928087 is a wasteful number, since it uses less digits than its factorization.

11928087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14291 (or 14285 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 11928087 is about 3453.7062700815. The cubic root of 11928087 is about 228.4845994789.

The spelling of 11928087 in words is "eleven million, nine hundred twenty-eight thousand, eighty-seven".