11313857 has 16 divisors (see below), whose sum is σ = 12655440. Its totient is φ = 10063872.

The previous prime is 11313851. The next prime is 11313877. The reversal of 11313857 is 75831311.

It can be written as a sum of positive squares in 8 ways, for example, as 30976 + 11282881 = 176^2 + 3359^2 .

It is a cyclic number.

It is not a de Polignac number, because 11313857 - 2¹⁸ = 11051713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11313851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25913 + ... + 26345.

It is an arithmetic number, because the mean of its divisors is an integer number (790965).

Almost surely, 2^11313857 is an apocalyptic number.

11313857 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11313857 is a deficient number, since it is larger than the sum of its proper divisors (1341583).

11313857 is a wasteful number, since it uses less digits than its factorization.

11313857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532.

The product of its digits is 2520, while the sum is 29.

The square root of 11313857 is about 3363.6077357504. The cubic root of 11313857 is about 224.4933918687.

The spelling of 11313857 in words is "eleven million, three hundred thirteen thousand, eight hundred fifty-seven".