12901323 has 16 divisors (see below), whose sum is σ = 18276480. Its totient is φ = 8072064.

The previous prime is 12901307. The next prime is 12901327. The reversal of 12901323 is 32310921.

It is a happy number.

12901323 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 12901323 - 2⁴ = 12901307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12901323.

It is not an unprimeable number, because it can be changed into a prime (12901327) 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, 5440 + ... + 7442.

It is an arithmetic number, because the mean of its divisors is an integer number (1142280).

Almost surely, 2^12901323 is an apocalyptic number.

12901323 is a deficient number, since it is larger than the sum of its proper divisors (5375157).

12901323 is a wasteful number, since it uses less digits than its factorization.

12901323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 12901323 is about 3591.8411713215. The cubic root of 12901323 is about 234.5370272332.

The spelling of 12901323 in words is "twelve million, nine hundred one thousand, three hundred twenty-three".