11373857 has 4 divisors (see below), whose sum is σ = 12407856. Its totient is φ = 10339860.

The previous prime is 11373847. The next prime is 11373871. The reversal of 11373857 is 75837311.

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: 75837311 = 11 ⋅6894301.

It is a cyclic number.

It is not a de Polignac number, because 11373857 - 2⁴ = 11373841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11373847) 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 3 ways as a sum of consecutive naturals, for example, 516983 + ... + 517004.

It is an arithmetic number, because the mean of its divisors is an integer number (3101964).

Almost surely, 2^11373857 is an apocalyptic number.

It is an amenable number.

11373857 is a deficient number, since it is larger than the sum of its proper divisors (1033999).

11373857 is a wasteful number, since it uses less digits than its factorization.

11373857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033998.

The product of its digits is 17640, while the sum is 35.

The square root of 11373857 is about 3372.5149369573. The cubic root of 11373857 is about 224.8895391952.

It can be divided in two parts, 1137 and 3857, that added together give a palindrome (4994).

The spelling of 11373857 in words is "eleven million, three hundred seventy-three thousand, eight hundred fifty-seven".