12950391 has 16 divisors (see below), whose sum is σ = 17832960. Its totient is φ = 8355360.

The previous prime is 12950359. The next prime is 12950393. The reversal of 12950391 is 19305921.

12950391 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 12950391 - 2⁵ = 12950359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12950393) 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, 12046 + ... + 13076.

It is an arithmetic number, because the mean of its divisors is an integer number (1114560).

Almost surely, 2^12950391 is an apocalyptic number.

12950391 is a deficient number, since it is larger than the sum of its proper divisors (4882569).

12950391 is a wasteful number, since it uses less digits than its factorization.

12950391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 12950391 is about 3598.6651691982. The cubic root of 12950391 is about 234.8339917046.

The spelling of 12950391 in words is "twelve million, nine hundred fifty thousand, three hundred ninety-one".