10505012 has 18 divisors (see below), whose sum is σ = 21385602. Its totient is φ = 4502064.

The previous prime is 10504999. The next prime is 10505039. The reversal of 10505012 is 21050501.

It can be written as a sum of positive squares in only one way, i.e., 10278436 + 226576 = 3206^2 + 476^2 .

It is a super-2 number, since 2×10505012² = 220710554240288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26603 + ... + 26994.

It is an arithmetic number, because the mean of its divisors is an integer number (1188089).

Almost surely, 2^10505012 is an apocalyptic number.

It is an amenable number.

10505012 is an abundant number, since it is smaller than the sum of its proper divisors (10880590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10505012 is a wasteful number, since it uses less digits than its factorization.

10505012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53615 (or 53606 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 10505012 is about 3241.1436253273. The cubic root of 10505012 is about 219.0107929600.

Adding to 10505012 its reverse (21050501), we get a palindrome (31555513).

The spelling of 10505012 in words is "ten million, five hundred five thousand, twelve".