12904373 has 2 divisors, whose sum is σ = 12904374.
Its totient is φ = 12904372.
The previous prime is 12904369. The next prime is 12904399. The reversal of 12904373 is 37340921.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 11035684 + 1868689 = 3322^2 + 1367^2
It is a cyclic number.
It is not a de Polignac number, because 12904373 - 22 = 12904369 is a prime.
It is equal to p843455 and since 12904373 and 843455 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12904313) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6452186 + 6452187.
It is an arithmetic number, because the mean of its divisors is an integer number (6452187).
Almost surely, 212904373 is an apocalyptic number.
It is an amenable number.
12904373 is a deficient number, since it is larger than the sum of its proper divisors (1).
12904373 is an equidigital number, since it uses as much as digits as its factorization.
12904373 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4536, while the sum is 29.
The square root of 12904373 is about 3592.2657195703.
The cubic root of 12904373 is about 234.5555080658.
Note that the first 4 decimals are identical.
The spelling of 12904373 in words is "twelve million, nine hundred four thousand, three hundred seventy-three".