12901269 has 4 divisors (see below), whose sum is σ = 17201696. Its totient is φ = 8600844.

The previous prime is 12901267. The next prime is 12901277. The reversal of 12901269 is 96210921.

It is a happy number.

12901269 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12901269 - 2¹ = 12901267 is a prime.

It is a super-2 number, since 2×12901269² = 332885483620722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12901267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2150209 + ... + 2150214.

It is an arithmetic number, because the mean of its divisors is an integer number (4300424).

Almost surely, 2^12901269 is an apocalyptic number.

It is an amenable number.

12901269 is a deficient number, since it is larger than the sum of its proper divisors (4300427).

12901269 is an equidigital number, since it uses as much as digits as its factorization.

12901269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300426.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 12901269 is about 3591.8336542774. The cubic root of 12901269 is about 234.5367000054.

The spelling of 12901269 in words is "twelve million, nine hundred one thousand, two hundred sixty-nine".