11856349 has 4 divisors (see below), whose sum is σ = 11967264. Its totient is φ = 11745436.

The previous prime is 11856343. The next prime is 11856359. The reversal of 11856349 is 94365811.

11856349 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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: 94365811 = 53 ⋅1780487.

It is a cyclic number.

It is not a de Polignac number, because 11856349 - 2¹³ = 11848157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11856343) 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, 55297 + ... + 55510.

It is an arithmetic number, because the mean of its divisors is an integer number (2991816).

Almost surely, 2^11856349 is an apocalyptic number.

It is an amenable number.

11856349 is a deficient number, since it is larger than the sum of its proper divisors (110915).

11856349 is a wasteful number, since it uses less digits than its factorization.

11856349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110914.

The product of its digits is 25920, while the sum is 37.

The square root of 11856349 is about 3443.3049530938. The cubic root of 11856349 is about 228.0256268004.

The spelling of 11856349 in words is "eleven million, eight hundred fifty-six thousand, three hundred forty-nine".