11861337 has 4 divisors (see below), whose sum is σ = 15815120. Its totient is φ = 7907556.

The previous prime is 11861327. The next prime is 11861351. The reversal of 11861337 is 73316811.

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.

It is not a de Polignac number, because 11861337 - 2⁶ = 11861273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11861327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1976887 + ... + 1976892.

It is an arithmetic number, because the mean of its divisors is an integer number (3953780).

Almost surely, 2^11861337 is an apocalyptic number.

It is an amenable number.

11861337 is a deficient number, since it is larger than the sum of its proper divisors (3953783).

11861337 is an equidigital number, since it uses as much as digits as its factorization.

11861337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953782.

The product of its digits is 3024, while the sum is 30.

The square root of 11861337 is about 3444.0291810610. The cubic root of 11861337 is about 228.0575993287.

The spelling of 11861337 in words is "eleven million, eight hundred sixty-one thousand, three hundred thirty-seven".