12493930 has 32 divisors (see below), whose sum is σ = 23804928. Its totient is φ = 4713600.

The previous prime is 12493927. The next prime is 12493931. The reversal of 12493930 is 3939421.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 12493892 and 12493901.

It is not an unprimeable number, because it can be changed into a prime (12493931) 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 15 ways as a sum of consecutive naturals, for example, 12219 + ... + 13201.

It is an arithmetic number, because the mean of its divisors is an integer number (743904).

Almost surely, 2^12493930 is an apocalyptic number.

12493930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12493930 is a deficient number, since it is larger than the sum of its proper divisors (11310998).

12493930 is a wasteful number, since it uses less digits than its factorization.

12493930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 12493930 is about 3534.6753740620. The cubic root of 12493930 is about 232.0418696727.

The spelling of 12493930 in words is "twelve million, four hundred ninety-three thousand, nine hundred thirty".