11321854 has 4 divisors (see below), whose sum is σ = 16982784. Its totient is φ = 5660926.

The previous prime is 11321839. The next prime is 11321897. The reversal of 11321854 is 45812311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45812311 = 1429 ⋅32059.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2830462 + ... + 2830465.

It is an arithmetic number, because the mean of its divisors is an integer number (4245696).

Almost surely, 2^11321854 is an apocalyptic number.

11321854 is a deficient number, since it is larger than the sum of its proper divisors (5660930).

11321854 is an equidigital number, since it uses as much as digits as its factorization.

11321854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5660929.

The product of its digits is 960, while the sum is 25.

The square root of 11321854 is about 3364.7962791230. The cubic root of 11321854 is about 224.5462724745.

The spelling of 11321854 in words is "eleven million, three hundred twenty-one thousand, eight hundred fifty-four".