15042012 has 24 divisors (see below), whose sum is σ = 35280000. Its totient is φ = 4988016.

The previous prime is 15042011. The next prime is 15042029. The reversal of 15042012 is 21024051.

It is a junction number, because it is equal to n+sod(n) for n = 15041982 and 15042000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15042011) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 762 + ... + 5537.

It is an arithmetic number, because the mean of its divisors is an integer number (1470000).

Almost surely, 2^15042012 is an apocalyptic number.

15042012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15042012 is an abundant number, since it is smaller than the sum of its proper divisors (20237988).

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

15042012 is a wasteful number, since it uses less digits than its factorization.

15042012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6505 (or 6503 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 15042012 is about 3878.4032797016. The cubic root of 15042012 is about 246.8512383689.

Adding to 15042012 its reverse (21024051), we get a palindrome (36066063).

The spelling of 15042012 in words is "fifteen million, forty-two thousand, twelve".