10212887 has 4 divisors (see below), whose sum is σ = 10450440. Its totient is φ = 9975336.

The previous prime is 10212863. The next prime is 10212893. The reversal of 10212887 is 78821201.

10212887 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78821201 = 139 ⋅567059.

It is a cyclic number.

It is not a de Polignac number, because 10212887 - 2¹⁴ = 10196503 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 (10202887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118712 + ... + 118797.

It is an arithmetic number, because the mean of its divisors is an integer number (2612610).

Almost surely, 2^10212887 is an apocalyptic number.

10212887 is a deficient number, since it is larger than the sum of its proper divisors (237553).

10212887 is an equidigital number, since it uses as much as digits as its factorization.

10212887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237552.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 10212887 is about 3195.7607857911. The cubic root of 10212887 is about 216.9615836629.

The spelling of 10212887 in words is "ten million, two hundred twelve thousand, eight hundred eighty-seven".