12874487 has 4 divisors (see below), whose sum is σ = 12949080. Its totient is φ = 12799896.

The previous prime is 12874481. The next prime is 12874493. The reversal of 12874487 is 78447821.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78447821 = 67 ⋅1170863.

It is an interprime number because it is at equal distance from previous prime (12874481) and next prime (12874493).

It is a cyclic number.

It is not a de Polignac number, because 12874487 - 2¹⁶ = 12808951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12874481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37037 + ... + 37382.

It is an arithmetic number, because the mean of its divisors is an integer number (3237270).

Almost surely, 2^12874487 is an apocalyptic number.

12874487 is a deficient number, since it is larger than the sum of its proper divisors (74593).

12874487 is an equidigital number, since it uses as much as digits as its factorization.

12874487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74592.

The product of its digits is 100352, while the sum is 41.

The square root of 12874487 is about 3588.1035380825. The cubic root of 12874487 is about 234.3742944453.

The spelling of 12874487 in words is "twelve million, eight hundred seventy-four thousand, four hundred eighty-seven".