10913857 has 2 divisors, whose sum is σ = 10913858. Its totient is φ = 10913856.

The previous prime is 10913839. The next prime is 10913867. The reversal of 10913857 is 75831901.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7706176 + 3207681 = 2776^2 + 1791^2 .

It is an emirp because it is prime and its reverse (75831901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10913857 - 2¹⁵ = 10881089 is a prime.

It is a super-2 number, since 2×10913857² = 238224549232898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10913807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5456928 + 5456929.

It is an arithmetic number, because the mean of its divisors is an integer number (5456929).

Almost surely, 2^10913857 is an apocalyptic number.

It is an amenable number.

10913857 is a deficient number, since it is larger than the sum of its proper divisors (1).

10913857 is an equidigital number, since it uses as much as digits as its factorization.

10913857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 10913857 is about 3303.6127194331. The cubic root of 10913857 is about 221.8159405593.

The spelling of 10913857 in words is "ten million, nine hundred thirteen thousand, eight hundred fifty-seven".