10861613 has 4 divisors (see below), whose sum is σ = 12413280. Its totient is φ = 9309948.

The previous prime is 10861601. The next prime is 10861633. The reversal of 10861613 is 31616801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31616801 = 139 ⋅227459.

It is a cyclic number.

It is not a de Polignac number, because 10861613 - 2⁶ = 10861549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10861633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775823 + ... + 775836.

It is an arithmetic number, because the mean of its divisors is an integer number (3103320).

Almost surely, 2^10861613 is an apocalyptic number.

It is an amenable number.

10861613 is a deficient number, since it is larger than the sum of its proper divisors (1551667).

10861613 is an equidigital number, since it uses as much as digits as its factorization.

10861613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551666.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 10861613 is about 3295.6961328375. The cubic root of 10861613 is about 221.4614342781.

The spelling of 10861613 in words is "ten million, eight hundred sixty-one thousand, six hundred thirteen".