1264913 has 4 divisors (see below), whose sum is σ = 1362228. Its totient is φ = 1167600.
The previous prime is 1264909. The next prime is 1264933. The reversal of 1264913 is 3194621.
1264913 is nontrivially palindromic in base 12.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3194621 = 859 ⋅3719.
It can be written as a sum of positive squares in 2 ways, for example, as 61504 + 1203409 = 248^2 + 1097^2 .
It is a cyclic number.
It is not a de Polignac number, because 1264913 - 22 = 1264909 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1264903) 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, 48638 + ... + 48663.
It is an arithmetic number, because the mean of its divisors is an integer number (340557).
21264913 is an apocalyptic number.
1264913 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
1264913 is a deficient number, since it is larger than the sum of its proper divisors (97315).
1264913 is an equidigital number, since it uses as much as digits as its factorization.
1264913 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 97314.
The product of its digits is 1296, while the sum is 26.
The square root of 1264913 is about 1124.6835110377. The cubic root of 1264913 is about 108.1484298853.
The spelling of 1264913 in words is "one million, two hundred sixty-four thousand, nine hundred thirteen".
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