12939954 has 8 divisors (see below), whose sum is σ = 25879920. Its totient is φ = 4313316.

The previous prime is 12939943. The next prime is 12939967. The reversal of 12939954 is 45993921.

12939954 is digitally balanced in base 2 and base 4, 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.

12939954 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1078324 + ... + 1078335.

It is an arithmetic number, because the mean of its divisors is an integer number (3234990).

Almost surely, 2^12939954 is an apocalyptic number.

12939954 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12939954 is a wasteful number, since it uses less digits than its factorization.

12939954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156664.

The product of its digits is 87480, while the sum is 42.

The square root of 12939954 is about 3597.2147558910. The cubic root of 12939954 is about 234.7708888198.

The spelling of 12939954 in words is "twelve million, nine hundred thirty-nine thousand, nine hundred fifty-four".