12899761 has 8 divisors (see below), whose sum is σ = 15056640. Its totient is φ = 10821408.

The previous prime is 12899759. The next prime is 12899773. The reversal of 12899761 is 16799821.

12899761 is digitally balanced in base 2 and base 3, because in such bases 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 12899761 - 2¹ = 12899759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12899561) 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, 19276 + ... + 19933.

It is an arithmetic number, because the mean of its divisors is an integer number (1882080).

Almost surely, 2^12899761 is an apocalyptic number.

It is an amenable number.

12899761 is a deficient number, since it is larger than the sum of its proper divisors (2156879).

12899761 is an equidigital number, since it uses as much as digits as its factorization.

12899761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39263.

The product of its digits is 54432, while the sum is 43.

The square root of 12899761 is about 3591.6237275082. The cubic root of 12899761 is about 234.5275614954.

The spelling of 12899761 in words is "twelve million, eight hundred ninety-nine thousand, seven hundred sixty-one".