12958994 has 8 divisors (see below), whose sum is σ = 19522620. Its totient is φ = 6451456.

The previous prime is 12958973. The next prime is 12958997. The reversal of 12958994 is 49985921.

12958994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12924025 + 34969 = 3595^2 + 187^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12958997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13439 + ... + 14370.

Almost surely, 2^12958994 is an apocalyptic number.

12958994 is a deficient number, since it is larger than the sum of its proper divisors (6563626).

12958994 is a wasteful number, since it uses less digits than its factorization.

12958994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28044.

The product of its digits is 233280, while the sum is 47.

The square root of 12958994 is about 3599.8602750662. The cubic root of 12958994 is about 234.8859806017.

The spelling of 12958994 in words is "twelve million, nine hundred fifty-eight thousand, nine hundred ninety-four".