1293985 has 16 divisors (see below), whose sum is σ = 1936512. Its totient is φ = 806400.

The previous prime is 1293983. The next prime is 1294019. The reversal of 1293985 is 5893921.

It is not a de Polignac number, because 1293985 - 2¹ = 1293983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1293983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1296 + ... + 2065.

It is an arithmetic number, because the mean of its divisors is an integer number (121032).

2^1293985 is an apocalyptic number.

It is an amenable number.

1293985 is a deficient number, since it is larger than the sum of its proper divisors (642527).

1293985 is a wasteful number, since it uses less digits than its factorization.

1293985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384.

The product of its digits is 19440, while the sum is 37.

The square root of 1293985 is about 1137.5346148579. The cubic root of 1293985 is about 108.9707016618.

It can be divided in two parts, 1293 and 985, that added together give a triangular number (2278 = T₆₇).

The spelling of 1293985 in words is "one million, two hundred ninety-three thousand, nine hundred eighty-five".