12943090 has 8 divisors (see below), whose sum is σ = 23297580. Its totient is φ = 5177232.

The previous prime is 12943079. The next prime is 12943109. The reversal of 12943090 is 9034921.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12131289 + 811801 = 3483^2 + 901^2 .

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

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647145 + ... + 647164.

Almost surely, 2^12943090 is an apocalyptic number.

12943090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12943090 is a deficient number, since it is larger than the sum of its proper divisors (10354490).

12943090 is a wasteful number, since it uses less digits than its factorization.

12943090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294316.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 12943090 is about 3597.6506222812. The cubic root of 12943090 is about 234.7898528758.

The spelling of 12943090 in words is "twelve million, nine hundred forty-three thousand, ninety".