12912054 has 8 divisors (see below), whose sum is σ = 25824120. Its totient is φ = 4304016.

The previous prime is 12912043. The next prime is 12912073. The reversal of 12912054 is 45021921.

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

12912054 is an admirable number.

It is a super-2 number, since 2×12912054² = 333442276997832, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1075999 + ... + 1076010.

It is an arithmetic number, because the mean of its divisors is an integer number (3228015).

Almost surely, 2^12912054 is an apocalyptic number.

12912054 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.

12912054 is a wasteful number, since it uses less digits than its factorization.

12912054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152014.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 12912054 is about 3593.3346629558. The cubic root of 12912054 is about 234.6020365700.

Adding to 12912054 its reverse (45021921), we get a palindrome (57933975).

It can be divided in two parts, 129 and 12054, that multiplied together give a triangular number (1554966 = T₁₇₆₃).

The spelling of 12912054 in words is "twelve million, nine hundred twelve thousand, fifty-four".