1293290 has 16 divisors (see below), whose sum is σ = 2429568. Its totient is φ = 494736.

The previous prime is 1293287. The next prime is 1293307. The reversal of 1293290 is 923921.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2582 + ... + 3041.

It is an arithmetic number, because the mean of its divisors is an integer number (151848).

2^1293290 is an apocalyptic number.

1293290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1293290 is a deficient number, since it is larger than the sum of its proper divisors (1136278).

1293290 is a wasteful number, since it uses less digits than its factorization.

1293290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5653.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 1293290 is about 1137.2290886185. The cubic root of 1293290 is about 108.9511887615.

The spelling of 1293290 in words is "one million, two hundred ninety-three thousand, two hundred ninety".