15030012 has 24 divisors (see below), whose sum is σ = 35420112. Its totient is φ = 4960000.

The previous prime is 15029999. The next prime is 15030019. The reversal of 15030012 is 21003051.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 15030012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15030019) 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, 4989 + ... + 7412.

It is an arithmetic number, because the mean of its divisors is an integer number (1475838).

Almost surely, 2^15030012 is an apocalyptic number.

15030012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15030012 is an abundant number, since it is smaller than the sum of its proper divisors (20390100).

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

15030012 is a wasteful number, since it uses less digits than its factorization.

15030012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12509 (or 12507 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 15030012 is about 3876.8559426422. The cubic root of 15030012 is about 246.7855777616.

Adding to 15030012 its reverse (21003051), we get a palindrome (36033063).

The spelling of 15030012 in words is "fifteen million, thirty thousand, twelve".