12073215 has 32 divisors (see below), whose sum is σ = 24086016. Its totient is φ = 5016960.

The previous prime is 12073207. The next prime is 12073223. The reversal of 12073215 is 51237021.

It is an interprime number because it is at equal distance from previous prime (12073207) and next prime (12073223).

It is not a de Polignac number, because 12073215 - 2³ = 12073207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12073191 and 12073200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4072 + ... + 6381.

It is an arithmetic number, because the mean of its divisors is an integer number (752688).

Almost surely, 2^12073215 is an apocalyptic number.

12073215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12073215 is a deficient number, since it is larger than the sum of its proper divisors (12012801).

12073215 is a wasteful number, since it uses less digits than its factorization.

12073215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10479.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 12073215 is about 3474.6532201070. The cubic root of 12073215 is about 229.4075172861.

The spelling of 12073215 in words is "twelve million, seventy-three thousand, two hundred fifteen".