12718490 has 8 divisors (see below), whose sum is σ = 22893300. Its totient is φ = 5087392.

The previous prime is 12718483. The next prime is 12718493. The reversal of 12718490 is 9481721.

It can be written as a sum of positive squares in 2 ways, for example, as 11771761 + 946729 = 3431^2 + 973^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12718493) 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, 635915 + ... + 635934.

Almost surely, 2^12718490 is an apocalyptic number.

12718490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12718490 is a deficient number, since it is larger than the sum of its proper divisors (10174810).

12718490 is a wasteful number, since it uses less digits than its factorization.

12718490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271856.

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

The square root of 12718490 is about 3566.2992022543. The cubic root of 12718490 is about 233.4238265776.

The spelling of 12718490 in words is "twelve million, seven hundred eighteen thousand, four hundred ninety".