12958631 has 8 divisors (see below), whose sum is σ = 14843040. Its totient is φ = 11082528.

The previous prime is 12958601. The next prime is 12958633. The reversal of 12958631 is 13685921.

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

It is a cyclic number.

It is not a de Polignac number, because 12958631 - 2¹⁸ = 12696487 is a prime.

It is a super-2 number, since 2×12958631² = 335852234788322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12958591 and 12958600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12958633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1745 + ... + 5381.

It is an arithmetic number, because the mean of its divisors is an integer number (1855380).

Almost surely, 2^12958631 is an apocalyptic number.

12958631 is a deficient number, since it is larger than the sum of its proper divisors (1884409).

12958631 is an equidigital number, since it uses as much as digits as its factorization.

12958631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4153.

The product of its digits is 12960, while the sum is 35.

The square root of 12958631 is about 3599.8098560896. The cubic root of 12958631 is about 234.8837874169.

The spelling of 12958631 in words is "twelve million, nine hundred fifty-eight thousand, six hundred thirty-one".