12958990 has 16 divisors (see below), whose sum is σ = 25446960. Its totient is φ = 4712320.

The previous prime is 12958973. The next prime is 12958997. The reversal of 12958990 is 9985921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12958997) 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 7 ways as a sum of consecutive naturals, for example, 58795 + ... + 59014.

It is an arithmetic number, because the mean of its divisors is an integer number (1590435).

Almost surely, 2^12958990 is an apocalyptic number.

12958990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12958990 is a deficient number, since it is larger than the sum of its proper divisors (12487970).

12958990 is a wasteful number, since it uses less digits than its factorization.

12958990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117827.

The product of its (nonzero) digits is 58320, while the sum is 43.

The square root of 12958990 is about 3599.8597194891. The cubic root of 12958990 is about 234.8859564346.

The spelling of 12958990 in words is "twelve million, nine hundred fifty-eight thousand, nine hundred ninety".