13039550 has 12 divisors (see below), whose sum is σ = 24253656. Its totient is φ = 5215800.

The previous prime is 13039513. The next prime is 13039553. The reversal of 13039550 is 5593031.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13039553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130346 + ... + 130445.

It is an arithmetic number, because the mean of its divisors is an integer number (2021138).

Almost surely, 2^13039550 is an apocalyptic number.

13039550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13039550 is a deficient number, since it is larger than the sum of its proper divisors (11214106).

13039550 is a wasteful number, since it uses less digits than its factorization.

13039550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260803 (or 260798 counting only the distinct ones).

The product of its (nonzero) digits is 2025, while the sum is 26.

The square root of 13039550 is about 3611.0317085287. The cubic root of 13039550 is about 235.3716768213.

The spelling of 13039550 in words is "thirteen million, thirty-nine thousand, five hundred fifty".