12073515 has 8 divisors (see below), whose sum is σ = 19317648. Its totient is φ = 6439200.

The previous prime is 12073513. The next prime is 12073549. The reversal of 12073515 is 51537021.

12073515 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12073515 - 2¹ = 12073513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12073511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402436 + ... + 402465.

It is an arithmetic number, because the mean of its divisors is an integer number (2414706).

Almost surely, 2^12073515 is an apocalyptic number.

12073515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12073515 is a deficient number, since it is larger than the sum of its proper divisors (7244133).

12073515 is an equidigital number, since it uses as much as digits as its factorization.

12073515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804909.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 12073515 is about 3474.6963896145. The cubic root of 12073515 is about 229.4094174065.

The spelling of 12073515 in words is "twelve million, seventy-three thousand, five hundred fifteen".