1290208 has 24 divisors (see below), whose sum is σ = 2652048. Its totient is φ = 616704.

The previous prime is 1290203. The next prime is 1290209. The reversal of 1290208 is 8020921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1290203) 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, 141 + ... + 1612.

It is an arithmetic number, because the mean of its divisors is an integer number (110502).

2^1290208 is an apocalyptic number.

It is an amenable number.

1290208 is an abundant number, since it is smaller than the sum of its proper divisors (1361840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1290208 is a wasteful number, since it uses less digits than its factorization.

1290208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786 (or 1778 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1290208 is about 1135.8732323635. The cubic root of 1290208 is about 108.8645738356.

Adding to 1290208 its product of nonzero digits (288), we get a square (1290496 = 1136²).

The spelling of 1290208 in words is "one million, two hundred ninety thousand, two hundred eight".