10781613 has 16 divisors (see below), whose sum is σ = 16061760. Its totient is φ = 7147728.

The previous prime is 10781611. The next prime is 10781623. The reversal of 10781613 is 31618701.

It is not a de Polignac number, because 10781613 - 2¹ = 10781611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10781611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4306 + ... + 6332.

It is an arithmetic number, because the mean of its divisors is an integer number (1003860).

Almost surely, 2^10781613 is an apocalyptic number.

It is an amenable number.

10781613 is a deficient number, since it is larger than the sum of its proper divisors (5280147).

10781613 is a wasteful number, since it uses less digits than its factorization.

10781613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233 (or 2227 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 10781613 is about 3283.5366603709. The cubic root of 10781613 is about 220.9163773906.

The spelling of 10781613 in words is "ten million, seven hundred eighty-one thousand, six hundred thirteen".