10505613 has 8 divisors (see below), whose sum is σ = 14744800. Its totient is φ = 6635088.

The previous prime is 10505597. The next prime is 10505617. The reversal of 10505613 is 31650501.

It is a happy number.

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

It is not a de Polignac number, because 10505613 - 2⁴ = 10505597 is a prime.

It is a super-2 number, since 2×10505613² = 220735809011538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10505613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10505617) 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, 92098 + ... + 92211.

It is an arithmetic number, because the mean of its divisors is an integer number (1843100).

Almost surely, 2^10505613 is an apocalyptic number.

It is an amenable number.

10505613 is a deficient number, since it is larger than the sum of its proper divisors (4239187).

10505613 is a wasteful number, since it uses less digits than its factorization.

10505613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184331.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 10505613 is about 3241.2363381895. The cubic root of 10505613 is about 219.0149694736.

The spelling of 10505613 in words is "ten million, five hundred five thousand, six hundred thirteen".