12582494 has 4 divisors (see below), whose sum is σ = 18873744. Its totient is φ = 6291246.

The previous prime is 12582469. The next prime is 12582509. The reversal of 12582494 is 49428521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49428521 = 349 ⋅141629.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3145622 + ... + 3145625.

It is an arithmetic number, because the mean of its divisors is an integer number (4718436).

Almost surely, 2^12582494 is an apocalyptic number.

12582494 is a deficient number, since it is larger than the sum of its proper divisors (6291250).

12582494 is an equidigital number, since it uses as much as digits as its factorization.

12582494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6291249.

The product of its digits is 23040, while the sum is 35.

The square root of 12582494 is about 3547.1811343657. The cubic root of 12582494 is about 232.5888603182.

The spelling of 12582494 in words is "twelve million, five hundred eighty-two thousand, four hundred ninety-four".