12001826 has 8 divisors (see below), whose sum is σ = 18385920. Its totient is φ = 5873188.

The previous prime is 12001823. The next prime is 12001841. The reversal of 12001826 is 62810021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 12001798 and 12001807.

It is not an unprimeable number, because it can be changed into a prime (12001823) 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, 63746 + ... + 63933.

It is an arithmetic number, because the mean of its divisors is an integer number (2298240).

Almost surely, 2^12001826 is an apocalyptic number.

12001826 is a deficient number, since it is larger than the sum of its proper divisors (6384094).

12001826 is a wasteful number, since it uses less digits than its factorization.

12001826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127728.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 12001826 is about 3464.3651655101. The cubic root of 12001826 is about 228.9544604117.

Adding to 12001826 its reverse (62810021), we get a palindrome (74811847).

The spelling of 12001826 in words is "twelve million, one thousand, eight hundred twenty-six".