12920254 has 16 divisors (see below), whose sum is σ = 20139120. Its totient is φ = 6209280.

The previous prime is 12920249. The next prime is 12920261. The reversal of 12920254 is 45202921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18862 + ... + 19534.

It is an arithmetic number, because the mean of its divisors is an integer number (1258695).

Almost surely, 2^12920254 is an apocalyptic number.

12920254 is a deficient number, since it is larger than the sum of its proper divisors (7218866).

12920254 is a wasteful number, since it uses less digits than its factorization.

12920254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 12920254 is about 3594.4754832938. The cubic root of 12920254 is about 234.6516886137.

The spelling of 12920254 in words is "twelve million, nine hundred twenty thousand, two hundred fifty-four".