12487562 has 4 divisors (see below), whose sum is σ = 18731346. Its totient is φ = 6243780.

The previous prime is 12487561. The next prime is 12487589. The reversal of 12487562 is 26578421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7284601 + 5202961 = 2699^2 + 2281^2 .

It is not an unprimeable number, because it can be changed into a prime (12487561) 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 as a sum of consecutive naturals, namely, 3121889 + ... + 3121892.

Almost surely, 2^12487562 is an apocalyptic number.

12487562 is a deficient number, since it is larger than the sum of its proper divisors (6243784).

12487562 is an equidigital number, since it uses as much as digits as its factorization.

12487562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6243783.

The product of its digits is 26880, while the sum is 35.

The square root of 12487562 is about 3533.7744693175. The cubic root of 12487562 is about 232.0024400259.

The spelling of 12487562 in words is "twelve million, four hundred eighty-seven thousand, five hundred sixty-two".