1503012 has 48 divisors (see below), whose sum is σ = 4152960. Its totient is φ = 413952.

The previous prime is 1502993. The next prime is 1503017. The reversal of 1503012 is 2103051.

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

It is not an unprimeable number, because it can be changed into a prime (1503017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2128 + ... + 2744.

It is an arithmetic number, because the mean of its divisors is an integer number (86520).

2^1503012 is an apocalyptic number.

1503012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1503012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2076480).

1503012 is an abundant number, since it is smaller than the sum of its proper divisors (2649948).

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

1503012 is a wasteful number, since it uses less digits than its factorization.

1503012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 658 counting only the distinct ones).

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

The square root of 1503012 is about 1225.9738985802. The cubic root of 1503012 is about 114.5479925684.

Adding to 1503012 its reverse (2103051), we get a palindrome (3606063).

The spelling of 1503012 in words is "one million, five hundred three thousand, twelve".