1213473 has 16 divisors (see below), whose sum is σ = 1736000. Its totient is φ = 751680.

The previous prime is 1213469. The next prime is 1213481. The reversal of 1213473 is 3743121.

It is not a de Polignac number, because 1213473 - 2² = 1213469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213483) 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, 3303 + ... + 3651.

It is an arithmetic number, because the mean of its divisors is an integer number (108500).

2^1213473 is an apocalyptic number.

It is an amenable number.

1213473 is a deficient number, since it is larger than the sum of its proper divisors (522527).

1213473 is a wasteful number, since it uses less digits than its factorization.

1213473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432.

The product of its digits is 504, while the sum is 21.

The square root of 1213473 is about 1101.5775052170. The cubic root of 1213473 is about 106.6620777106.

Adding to 1213473 its reverse (3743121), we get a palindrome (4956594).

The spelling of 1213473 in words is "one million, two hundred thirteen thousand, four hundred seventy-three".