13873473 has 6 divisors (see below), whose sum is σ = 20039474. Its totient is φ = 9248976.

The previous prime is 13873463. The next prime is 13873481. The reversal of 13873473 is 37437831.

It can be written as a sum of positive squares in only one way, i.e., 11614464 + 2259009 = 3408^2 + 1503^2 .

It is not a de Polignac number, because 13873473 - 2⁵ = 13873441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13873403) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 770740 + ... + 770757.

Almost surely, 2^13873473 is an apocalyptic number.

It is an amenable number.

13873473 is a deficient number, since it is larger than the sum of its proper divisors (6166001).

13873473 is a wasteful number, since it uses less digits than its factorization.

13873473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541503 (or 1541500 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 13873473 is about 3724.7111297388. The cubic root of 13873473 is about 240.2859612238.

The spelling of 13873473 in words is "thirteen million, eight hundred seventy-three thousand, four hundred seventy-three".