1404213 has 4 divisors (see below), whose sum is σ = 1872288. Its totient is φ = 936140.

The previous prime is 1404211. The next prime is 1404229. The reversal of 1404213 is 3124041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1404213 - 2¹ = 1404211 is a prime.

It is a D-number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1404192 and 1404201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234033 + ... + 234038.

It is an arithmetic number, because the mean of its divisors is an integer number (468072).

2^1404213 is an apocalyptic number.

It is an amenable number.

1404213 is a deficient number, since it is larger than the sum of its proper divisors (468075).

1404213 is an equidigital number, since it uses as much as digits as its factorization.

1404213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468074.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1404213 is about 1184.9949366980. The cubic root of 1404213 is about 111.9809969885.

Adding to 1404213 its reverse (3124041), we get a palindrome (4528254).

The spelling of 1404213 in words is "one million, four hundred four thousand, two hundred thirteen".