12487093 has 4 divisors (see below), whose sum is σ = 12824620. Its totient is φ = 12149568.

The previous prime is 12487073. The next prime is 12487099. The reversal of 12487093 is 39078421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39078421 = 19 ⋅2056759.

It can be written as a sum of positive squares in 2 ways, for example, as 11881809 + 605284 = 3447^2 + 778^2 .

It is a cyclic number.

It is not a de Polignac number, because 12487093 - 2¹⁷ = 12356021 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 (12487099) 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, 168708 + ... + 168781.

It is an arithmetic number, because the mean of its divisors is an integer number (3206155).

Almost surely, 2^12487093 is an apocalyptic number.

It is an amenable number.

12487093 is a deficient number, since it is larger than the sum of its proper divisors (337527).

12487093 is an equidigital number, since it uses as much as digits as its factorization.

12487093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337526.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 12487093 is about 3533.7081090548. The cubic root of 12487093 is about 231.9995355223. Note that the first 3 decimals are identical.

The spelling of 12487093 in words is "twelve million, four hundred eighty-seven thousand, ninety-three".