10206987 has 16 divisors (see below), whose sum is σ = 16468992. Its totient is φ = 5489280.

The previous prime is 10206983. The next prime is 10206997. The reversal of 10206987 is 78960201.

It is not a de Polignac number, because 10206987 - 2² = 10206983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10206983) 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, 13939 + ... + 14652.

It is an arithmetic number, because the mean of its divisors is an integer number (1029312).

Almost surely, 2^10206987 is an apocalyptic number.

10206987 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

10206987 is a deficient number, since it is larger than the sum of its proper divisors (6262005).

10206987 is a wasteful number, since it uses less digits than its factorization.

10206987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28618.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 10206987 is about 3194.8375545558. The cubic root of 10206987 is about 216.9197959384.

The spelling of 10206987 in words is "ten million, two hundred six thousand, nine hundred eighty-seven".