13390173 has 6 divisors (see below), whose sum is σ = 19341374. Its totient is φ = 8926776.

The previous prime is 13390129. The next prime is 13390177. The reversal of 13390173 is 37109331.

13390173 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., 12131289 + 1258884 = 3483^2 + 1122^2 .

It is not a de Polignac number, because 13390173 - 2¹² = 13386077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13390177) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 743890 + ... + 743907.

Almost surely, 2^13390173 is an apocalyptic number.

It is an amenable number.

13390173 is a deficient number, since it is larger than the sum of its proper divisors (5951201).

13390173 is a wasteful number, since it uses less digits than its factorization.

13390173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487803 (or 1487800 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 27.

The square root of 13390173 is about 3659.2585314514. The cubic root of 13390173 is about 237.4626970037.

The spelling of 13390173 in words is "thirteen million, three hundred ninety thousand, one hundred seventy-three".