1253866 has 8 divisors (see below), whose sum is σ = 1920960. Its totient is φ = 613548.

The previous prime is 1253851. The next prime is 1253887. The reversal of 1253866 is 6683521.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 6576 + ... + 6763.

It is an arithmetic number, because the mean of its divisors is an integer number (240120).

2^1253866 is an apocalyptic number.

1253866 is a deficient number, since it is larger than the sum of its proper divisors (667094).

1253866 is a wasteful number, since it uses less digits than its factorization.

1253866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13388.

The product of its digits is 8640, while the sum is 31.

The square root of 1253866 is about 1119.7615817664. The cubic root of 1253866 is about 107.8326741355.

The spelling of 1253866 in words is "one million, two hundred fifty-three thousand, eight hundred sixty-six".