10505487 has 8 divisors (see below), whose sum is σ = 14305536. Its totient is φ = 6854552.

The previous prime is 10505483. The next prime is 10505491. The reversal of 10505487 is 78450501.

10505487 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10505483) and next prime (10505491).

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

It is a cyclic number.

It is not a de Polignac number, because 10505487 - 2² = 10505483 is a prime.

It is a super-2 number, since 2×10505487² = 220730514214338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10505483) 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, 37113 + ... + 37394.

It is an arithmetic number, because the mean of its divisors is an integer number (1788192).

Almost surely, 2^10505487 is an apocalyptic number.

10505487 is a deficient number, since it is larger than the sum of its proper divisors (3800049).

10505487 is an equidigital number, since it uses as much as digits as its factorization.

10505487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74557.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 10505487 is about 3241.2169011037. The cubic root of 10505487 is about 219.0140938783.

Adding to 10505487 its reverse (78450501), we get a palindrome (88955988).

The spelling of 10505487 in words is "ten million, five hundred five thousand, four hundred eighty-seven".