12506494 has 32 divisors (see below), whose sum is σ = 25191936. Its totient is φ = 4497120.

The previous prime is 12506491. The next prime is 12506497. The reversal of 12506494 is 49460521.

It is an interprime number because it is at equal distance from previous prime (12506491) and next prime (12506497).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12506491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1122 + ... + 5125.

It is an arithmetic number, because the mean of its divisors is an integer number (787248).

Almost surely, 2^12506494 is an apocalyptic number.

12506494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12506494 is an abundant number, since it is smaller than the sum of its proper divisors (12685442).

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

12506494 is a wasteful number, since it uses less digits than its factorization.

12506494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6280.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 12506494 is about 3536.4521769706. The cubic root of 12506494 is about 232.1196246933.

It can be divided in two parts, 1250 and 6494, that added together give a square (7744 = 88²).

The spelling of 12506494 in words is "twelve million, five hundred six thousand, four hundred ninety-four".