1293930 has 48 divisors (see below), whose sum is σ = 3672864. Its totient is φ = 313440.

The previous prime is 1293923. The next prime is 1293931. The reversal of 1293930 is 393921.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1293894 and 1293903.

It is not an unprimeable number, because it can be changed into a prime (1293931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 337 + ... + 1643.

It is an arithmetic number, because the mean of its divisors is an integer number (76518).

2^1293930 is an apocalyptic number.

1293930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1293930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1836432).

1293930 is an abundant number, since it is smaller than the sum of its proper divisors (2378934).

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

1293930 is a wasteful number, since it uses less digits than its factorization.

1293930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331 (or 1328 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 1293930 is about 1137.5104395125. The cubic root of 1293930 is about 108.9691577300.

Subtracting from 1293930 its reverse (393921), we obtain a palindrome (900009).

The spelling of 1293930 in words is "one million, two hundred ninety-three thousand, nine hundred thirty".