1213315 has 8 divisors (see below), whose sum is σ = 1463760. Its totient is φ = 965472.
The previous prime is 1213301. The next prime is 1213327. The reversal of 1213315 is 5133121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1213315 - 213 = 1205123 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601 + ... + 1669.
It is an arithmetic number, because the mean of its divisors is an integer number (182970).
21213315 is an apocalyptic number.
1213315 is a deficient number, since it is larger than the sum of its proper divisors (250445).
1213315 is a wasteful number, since it uses less digits than its factorization.
1213315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1301.
The product of its digits is 90, while the sum is 16.
The square root of 1213315 is about 1101.5057875472. The cubic root of 1213315 is about 106.6574482051.
Adding to 1213315 its reverse (5133121), we get a palindrome (6346436).
The spelling of 1213315 in words is "one million, two hundred thirteen thousand, three hundred fifteen".
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