1503213 has 8 divisors (see below), whose sum is σ = 2028768. Its totient is φ = 989904.

The previous prime is 1503181. The next prime is 1503233. The reversal of 1503213 is 3123051.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1503213 - 2⁵ = 1503181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1503192 and 1503201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1503233) 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, 2770 + ... + 3267.

It is an arithmetic number, because the mean of its divisors is an integer number (253596).

2^1503213 is an apocalyptic number.

It is an amenable number.

1503213 is a deficient number, since it is larger than the sum of its proper divisors (525555).

1503213 is an equidigital number, since it uses as much as digits as its factorization.

1503213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6123.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1503213 is about 1226.0558714838. The cubic root of 1503213 is about 114.5530985645.

Adding to 1503213 its reverse (3123051), we get a palindrome (4626264).

The spelling of 1503213 in words is "one million, five hundred three thousand, two hundred thirteen".