13057390 has 8 divisors (see below), whose sum is σ = 23503320. Its totient is φ = 5222952.

The previous prime is 13057379. The next prime is 13057403. The reversal of 13057390 is 9375031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13057390² = 340990867224200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652860 + ... + 652879.

It is an arithmetic number, because the mean of its divisors is an integer number (2937915).

Almost surely, 2^13057390 is an apocalyptic number.

13057390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13057390 is a deficient number, since it is larger than the sum of its proper divisors (10445930).

13057390 is a wasteful number, since it uses less digits than its factorization.

13057390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305746.

The product of its (nonzero) digits is 2835, while the sum is 28.

The square root of 13057390 is about 3613.5010723674. The cubic root of 13057390 is about 235.4789687961.

The spelling of 13057390 in words is "thirteen million, fifty-seven thousand, three hundred ninety".