1290916 has 12 divisors (see below), whose sum is σ = 2464560. Its totient is φ = 586760.
The previous prime is 1290907. The next prime is 1290923. The reversal of 1290916 is 6190921.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14626 + ... + 14713.
It is an arithmetic number, because the mean of its divisors is an integer number (205380).
21290916 is an apocalyptic number.
It is an amenable number.
1290916 is a deficient number, since it is larger than the sum of its proper divisors (1173644).
1290916 is a wasteful number, since it uses less digits than its factorization.
1290916 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29354 (or 29352 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 28.
The square root of 1290916 is about 1136.1848441165. The cubic root of 1290916 is about 108.8844832931.
The spelling of 1290916 in words is "one million, two hundred ninety thousand, nine hundred sixteen".
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