1297248 has 24 divisors (see below), whose sum is σ = 3405528. Its totient is φ = 432384.
The previous prime is 1297243. The next prime is 1297249. The reversal of 1297248 is 8427921.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1297243) 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, 6661 + ... + 6852.
It is an arithmetic number, because the mean of its divisors is an integer number (141897).
21297248 is an apocalyptic number.
It is an amenable number.
1297248 is an abundant number, since it is smaller than the sum of its proper divisors (2108280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1297248 is a wasteful number, since it uses less digits than its factorization.
1297248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13526 (or 13518 counting only the distinct ones).
The product of its digits is 8064, while the sum is 33.
The square root of 1297248 is about 1138.9679538951. The cubic root of 1297248 is about 109.0622207391.
The spelling of 1297248 in words is "one million, two hundred ninety-seven thousand, two hundred forty-eight".
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