12445015 has 16 divisors (see below), whose sum is σ = 16363296. Its totient is φ = 9011200.

The previous prime is 12445009. The next prime is 12445021. The reversal of 12445015 is 51054421.

It is an interprime number because it is at equal distance from previous prime (12445009) and next prime (12445021).

It is not a de Polignac number, because 12445015 - 2⁹ = 12444503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19095 + ... + 19735.

It is an arithmetic number, because the mean of its divisors is an integer number (1022706).

Almost surely, 2^12445015 is an apocalyptic number.

12445015 is a deficient number, since it is larger than the sum of its proper divisors (3918281).

12445015 is a wasteful number, since it uses less digits than its factorization.

12445015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 12445015 is about 3527.7492824746. The cubic root of 12445015 is about 231.7386511520.

Adding to 12445015 its reverse (51054421), we get a palindrome (63499436).

The spelling of 12445015 in words is "twelve million, four hundred forty-five thousand, fifteen".