12899263 has 12 divisors (see below), whose sum is σ = 14101248. Its totient is φ = 11793600.

The previous prime is 12899231. The next prime is 12899267. The reversal of 12899263 is 36299821.

It is a happy number.

It is not a de Polignac number, because 12899263 - 2⁵ = 12899231 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 (12899267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21163 + ... + 21763.

It is an arithmetic number, because the mean of its divisors is an integer number (1175104).

Almost surely, 2^12899263 is an apocalyptic number.

12899263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12899263 is a deficient number, since it is larger than the sum of its proper divisors (1201985).

12899263 is a wasteful number, since it uses less digits than its factorization.

12899263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754 (or 741 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 12899263 is about 3591.5543988641. The cubic root of 12899263 is about 234.5245434491.

It can be divided in two parts, 128992 and 63, that multiplied together give a triangular number (8126496 = T₄₀₃₁).

The spelling of 12899263 in words is "twelve million, eight hundred ninety-nine thousand, two hundred sixty-three".