12951911 has 8 divisors (see below), whose sum is σ = 14843904. Its totient is φ = 11070360.

The previous prime is 12951907. The next prime is 12951929. The reversal of 12951911 is 11915921.

12951911 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12951911 - 2² = 12951907 is a prime.

It is a Duffinian number.

12951911 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12951011) 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, 266 + ... + 5096.

It is an arithmetic number, because the mean of its divisors is an integer number (1855488).

Almost surely, 2^12951911 is an apocalyptic number.

12951911 is a deficient number, since it is larger than the sum of its proper divisors (1891993).

12951911 is an equidigital number, since it uses as much as digits as its factorization.

12951911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221.

The product of its digits is 810, while the sum is 29.

The square root of 12951911 is about 3598.8763524189. The cubic root of 12951911 is about 234.8431789099.

The spelling of 12951911 in words is "twelve million, nine hundred fifty-one thousand, nine hundred eleven".