12071015 has 32 divisors (see below), whose sum is σ = 16656192. Its totient is φ = 8320000.

The previous prime is 12070979. The next prime is 12071027. The reversal of 12071015 is 51017021.

It is not a de Polignac number, because 12071015 - 2⁶ = 12070951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12070984 and 12071002.

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 31 ways as a sum of consecutive naturals, for example, 119465 + ... + 119565.

It is an arithmetic number, because the mean of its divisors is an integer number (520506).

Almost surely, 2^12071015 is an apocalyptic number.

12071015 is a deficient number, since it is larger than the sum of its proper divisors (4585177).

12071015 is a wasteful number, since it uses less digits than its factorization.

12071015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 12071015 is about 3474.3366273290. The cubic root of 12071015 is about 229.3935821082.

Adding to 12071015 its reverse (51017021), we get a palindrome (63088036).

It can be divided in two parts, 1207 and 1015, that added together give a palindrome (2222).

The spelling of 12071015 in words is "twelve million, seventy-one thousand, fifteen".