10012515 has 8 divisors (see below), whose sum is σ = 16020048. Its totient is φ = 5340000.

The previous prime is 10012501. The next prime is 10012517. The reversal of 10012515 is 51521001.

10012515 is digitally balanced in base 2 and base 4, 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 10012515 - 2⁶ = 10012451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 667501 = 10012515 / (1 + 0 + 0 + 1 + 2 + 5 + 1 + 5).

It is a junction number, because it is equal to n+sod(n) for n = 10012494 and 10012503.

It is not an unprimeable number, because it can be changed into a prime (10012517) 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, 333736 + ... + 333765.

It is an arithmetic number, because the mean of its divisors is an integer number (2002506).

Almost surely, 2^10012515 is an apocalyptic number.

10012515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10012515 is a deficient number, since it is larger than the sum of its proper divisors (6007533).

10012515 is an equidigital number, since it uses as much as digits as its factorization.

10012515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667509.

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 10012515 is about 3164.2558366858. The cubic root of 10012515 is about 215.5333073699.

Adding to 10012515 its reverse (51521001), we get a palindrome (61533516).

The spelling of 10012515 in words is "ten million, twelve thousand, five hundred fifteen".