12963261 has 16 divisors (see below), whose sum is σ = 18057600. Its totient is φ = 8261568.

The previous prime is 12963233. The next prime is 12963277. The reversal of 12963261 is 16236921.

12963261 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12963261 - 2⁵ = 12963229 is a prime.

It is a super-2 number, since 2×12963261² = 336092271508242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12963161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8800 + ... + 10166.

It is an arithmetic number, because the mean of its divisors is an integer number (1128600).

Almost surely, 2^12963261 is an apocalyptic number.

It is an amenable number.

12963261 is a deficient number, since it is larger than the sum of its proper divisors (5094339).

12963261 is a wasteful number, since it uses less digits than its factorization.

12963261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508.

The product of its digits is 3888, while the sum is 30.

The square root of 12963261 is about 3600.4528881795. The cubic root of 12963261 is about 234.9117580269.

The spelling of 12963261 in words is "twelve million, nine hundred sixty-three thousand, two hundred sixty-one".