12871490 has 32 divisors (see below), whose sum is σ = 24385536. Its totient is φ = 4882240.

The previous prime is 12871489. The next prime is 12871501. The reversal of 12871490 is 9417821.

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43784 + ... + 44076.

It is an arithmetic number, because the mean of its divisors is an integer number (762048).

Almost surely, 2^12871490 is an apocalyptic number.

12871490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12871490 is a deficient number, since it is larger than the sum of its proper divisors (11514046).

12871490 is a wasteful number, since it uses less digits than its factorization.

12871490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 12871490 is about 3587.6858836860. The cubic root of 12871490 is about 234.3561066844.

The spelling of 12871490 in words is "twelve million, eight hundred seventy-one thousand, four hundred ninety".