7144213 has 4 divisors (see below), whose sum is σ = 7172928. Its totient is φ = 7115500.

The previous prime is 7144211. The next prime is 7144217. The reversal of 7144213 is 3124417.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3124417 = 19 ⋅164443.

It is a cyclic number.

It is not a de Polignac number, because 7144213 - 2¹ = 7144211 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7144211) 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, 13981 + ... + 14482.

It is an arithmetic number, because the mean of its divisors is an integer number (1793232).

Almost surely, 2^7144213 is an apocalyptic number.

It is an amenable number.

7144213 is a deficient number, since it is larger than the sum of its proper divisors (28715).

7144213 is a wasteful number, since it uses less digits than its factorization.

7144213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28714.

The product of its digits is 672, while the sum is 22.

The square root of 7144213 is about 2672.8660647328. The cubic root of 7144213 is about 192.5978633223.

The spelling of 7144213 in words is "seven million, one hundred forty-four thousand, two hundred thirteen".