15120006 has 32 divisors (see below), whose sum is σ = 33187968. Its totient is φ = 4554240.

The previous prime is 15119977. The next prime is 15120011. The reversal of 15120006 is 60002151.

It is a super-2 number, since 2×15120006² = 457229162880072, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12145 + ... + 13331.

It is an arithmetic number, because the mean of its divisors is an integer number (1037124).

Almost surely, 2^15120006 is an apocalyptic number.

15120006 is an abundant number, since it is smaller than the sum of its proper divisors (18067962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15120006 is a wasteful number, since it uses less digits than its factorization.

15120006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 15120006 is about 3888.4451905614. The cubic root of 15120006 is about 247.2771506971.

Adding to 15120006 its reverse (60002151), we get a palindrome (75122157).

It can be divided in two parts, 15 and 120006, that added together give a palindrome (120021).

The spelling of 15120006 in words is "fifteen million, one hundred twenty thousand, six".