1293506 has 12 divisors (see below), whose sum is σ = 2007846. Its totient is φ = 624960.

The previous prime is 1293499. The next prime is 1293529. The reversal of 1293506 is 6053921.

It can be written as a sum of positive squares in only one way, i.e., 1177225 + 116281 = 1085^2 + 341^2 .

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1586 + ... + 2258.

2^1293506 is an apocalyptic number.

1293506 is a deficient number, since it is larger than the sum of its proper divisors (714340).

1293506 is an equidigital number, since it uses as much as digits as its factorization.

1293506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 1293506 is about 1137.3240523263. The cubic root of 1293506 is about 108.9572539510.

The spelling of 1293506 in words is "one million, two hundred ninety-three thousand, five hundred six".