13142390 has 8 divisors (see below), whose sum is σ = 23656320. Its totient is φ = 5256952.

The previous prime is 13142369. The next prime is 13142401. The reversal of 13142390 is 9324131.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 657110 + ... + 657129.

It is an arithmetic number, because the mean of its divisors is an integer number (2957040).

Almost surely, 2^13142390 is an apocalyptic number.

13142390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13142390 is a deficient number, since it is larger than the sum of its proper divisors (10513930).

13142390 is a wasteful number, since it uses less digits than its factorization.

13142390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314246.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 13142390 is about 3625.2434401016. The cubic root of 13142390 is about 235.9888317036.

The spelling of 13142390 in words is "thirteen million, one hundred forty-two thousand, three hundred ninety".