12949559 has 8 divisors (see below), whose sum is σ = 15020928. Its totient is φ = 10933560.

The previous prime is 12949553. The next prime is 12949571. The reversal of 12949559 is 95594921.

12949559 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12949559 - 2⁸ = 12949303 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 (12949553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13337 + ... + 14274.

It is an arithmetic number, because the mean of its divisors is an integer number (1877616).

Almost surely, 2^12949559 is an apocalyptic number.

12949559 is a deficient number, since it is larger than the sum of its proper divisors (2071369).

12949559 is an equidigital number, since it uses as much as digits as its factorization.

12949559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27685.

The product of its digits is 145800, while the sum is 44.

The square root of 12949559 is about 3598.5495689236. The cubic root of 12949559 is about 234.8289626141.

The spelling of 12949559 in words is "twelve million, nine hundred forty-nine thousand, five hundred fifty-nine".