12351904 has 12 divisors (see below), whose sum is σ = 24317874. Its totient is φ = 6175936.

The previous prime is 12351901. The next prime is 12351923. The reversal of 12351904 is 40915321.

12351904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11916304 + 435600 = 3452^2 + 660^2 .

It is not an unprimeable number, because it can be changed into a prime (12351901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192967 + ... + 193030.

Almost surely, 2^12351904 is an apocalyptic number.

It is an amenable number.

12351904 is a deficient number, since it is larger than the sum of its proper divisors (11965970).

12351904 is an equidigital number, since it uses as much as digits as its factorization.

12351904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386007 (or 385999 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 12351904 is about 3514.5275642681. The cubic root of 12351904 is about 231.1592637448.

The spelling of 12351904 in words is "twelve million, three hundred fifty-one thousand, nine hundred four".