10987287 has 16 divisors (see below), whose sum is σ = 15678432. Its totient is φ = 6819840.

The previous prime is 10987279. The next prime is 10987313. The reversal of 10987287 is 78278901.

It is not a de Polignac number, because 10987287 - 2³ = 10987279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10987247) 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, 3837 + ... + 6057.

It is an arithmetic number, because the mean of its divisors is an integer number (979902).

Almost surely, 2^10987287 is an apocalyptic number.

10987287 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

10987287 is a deficient number, since it is larger than the sum of its proper divisors (4691145).

10987287 is a wasteful number, since it uses less digits than its factorization.

10987287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2338.

The product of its (nonzero) digits is 56448, while the sum is 42.

The square root of 10987287 is about 3314.7076794191. The cubic root of 10987287 is about 222.3122988811.

It can be divided in two parts, 1098 and 7287, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 10987287 in words is "ten million, nine hundred eighty-seven thousand, two hundred eighty-seven".