13923146 has 4 divisors (see below), whose sum is σ = 20884722. Its totient is φ = 6961572.

The previous prime is 13923127. The next prime is 13923163. The reversal of 13923146 is 64132931.

13923146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9765625 + 4157521 = 3125^2 + 2039^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3480785 + ... + 3480788.

Almost surely, 2^13923146 is an apocalyptic number.

13923146 is a deficient number, since it is larger than the sum of its proper divisors (6961576).

13923146 is an equidigital number, since it uses as much as digits as its factorization.

13923146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6961575.

The product of its digits is 3888, while the sum is 29.

The square root of 13923146 is about 3731.3732056711. The cubic root of 13923146 is about 240.5723953370.

The spelling of 13923146 in words is "thirteen million, nine hundred twenty-three thousand, one hundred forty-six".