12958389 has 24 divisors (see below), whose sum is σ = 19562400. Its totient is φ = 8255520.

The previous prime is 12958357. The next prime is 12958397. The reversal of 12958389 is 98385921.

It is a happy number.

It is not a de Polignac number, because 12958389 - 2⁵ = 12958357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12958339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34002 + ... + 34380.

It is an arithmetic number, because the mean of its divisors is an integer number (815100).

Almost surely, 2^12958389 is an apocalyptic number.

It is an amenable number.

12958389 is a deficient number, since it is larger than the sum of its proper divisors (6604011).

12958389 is a wasteful number, since it uses less digits than its factorization.

12958389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 542 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 12958389 is about 3599.7762430462. The cubic root of 12958389 is about 234.8823252709.

The spelling of 12958389 in words is "twelve million, nine hundred fifty-eight thousand, three hundred eighty-nine".