12949385 has 8 divisors (see below), whose sum is σ = 15794376. Its totient is φ = 10189440.

The previous prime is 12949373. The next prime is 12949429. The reversal of 12949385 is 58394921.

12949385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 929296 + 12020089 = 964^2 + 3467^2 .

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

It is not a de Polignac number, because 12949385 - 2¹⁰ = 12948361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20924 + ... + 21533.

It is an arithmetic number, because the mean of its divisors is an integer number (1974297).

Almost surely, 2^12949385 is an apocalyptic number.

It is an amenable number.

12949385 is a deficient number, since it is larger than the sum of its proper divisors (2844991).

12949385 is an equidigital number, since it uses as much as digits as its factorization.

12949385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42523.

The product of its digits is 77760, while the sum is 41.

The square root of 12949385 is about 3598.5253924351. The cubic root of 12949385 is about 234.8279108299.

It can be divided in two parts, 129 and 49385, that multiplied together give a triangular number (6370665 = T₃₅₆₉).

The spelling of 12949385 in words is "twelve million, nine hundred forty-nine thousand, three hundred eighty-five".