12087494 has 4 divisors (see below), whose sum is σ = 18131244. Its totient is φ = 6043746.

The previous prime is 12087463. The next prime is 12087503. The reversal of 12087494 is 49478021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49478021 = 41 ⋅1206781.

It is a super-2 number, since 2×12087494² = 292215022400072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3021872 + ... + 3021875.

It is an arithmetic number, because the mean of its divisors is an integer number (4532811).

Almost surely, 2^12087494 is an apocalyptic number.

12087494 is a deficient number, since it is larger than the sum of its proper divisors (6043750).

12087494 is an equidigital number, since it uses as much as digits as its factorization.

12087494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6043749.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 12087494 is about 3476.7073503532. The cubic root of 12087494 is about 229.4979217998.

The spelling of 12087494 in words is "twelve million, eighty-seven thousand, four hundred ninety-four".