12215046 has 8 divisors (see below), whose sum is σ = 24430104. Its totient is φ = 4071680.

The previous prime is 12215039. The next prime is 12215087. The reversal of 12215046 is 64051221.

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

12215046 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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, 1017915 + ... + 1017926.

It is an arithmetic number, because the mean of its divisors is an integer number (3053763).

Almost surely, 2^12215046 is an apocalyptic number.

12215046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12215046 is a wasteful number, since it uses less digits than its factorization.

12215046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035846.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 12215046 is about 3495.0030042906. The cubic root of 12215046 is about 230.3023496899.

Subtracting from 12215046 its sum of digits (21), we obtain a square (12215025 = 3495²).

Adding to 12215046 its reverse (64051221), we get a palindrome (76266267).

The spelling of 12215046 in words is "twelve million, two hundred fifteen thousand, forty-six".