12949563 has 32 divisors (see below), whose sum is σ = 20466432. Its totient is φ = 7193600.

The previous prime is 12949553. The next prime is 12949571. The reversal of 12949563 is 36594921.

12949563 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12949563 - 2⁶ = 12949499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12949523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22720 + ... + 23282.

It is an arithmetic number, because the mean of its divisors is an integer number (639576).

Almost surely, 2^12949563 is an apocalyptic number.

12949563 is a deficient number, since it is larger than the sum of its proper divisors (7516869).

12949563 is a wasteful number, since it uses less digits than its factorization.

12949563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635.

The product of its digits is 58320, while the sum is 39.

The square root of 12949563 is about 3598.5501247030. The cubic root of 12949563 is about 234.8289867929.

The spelling of 12949563 in words is "twelve million, nine hundred forty-nine thousand, five hundred sixty-three".