1497213 has 6 divisors (see below), whose sum is σ = 2162654. Its totient is φ = 998136.
The previous prime is 1497211. The next prime is 1497227. The reversal of 1497213 is 3127941.
It can be written as a sum of positive squares in only one way, i.e., 1483524 + 13689 = 1218^2 + 117^2 .
It is not a de Polignac number, because 1497213 - 21 = 1497211 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1497211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83170 + ... + 83187.
21497213 is an apocalyptic number.
It is an amenable number.
1497213 is a deficient number, since it is larger than the sum of its proper divisors (665441).
1497213 is a wasteful number, since it uses less digits than its factorization.
1497213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 166363 (or 166360 counting only the distinct ones).
The product of its digits is 1512, while the sum is 27.
The square root of 1497213 is about 1223.6065544120. The cubic root of 1497213 is about 114.4004843330.
The spelling of 1497213 in words is "one million, four hundred ninety-seven thousand, two hundred thirteen".
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