13142890 has 16 divisors (see below), whose sum is σ = 24686208. Its totient is φ = 5028496.

The previous prime is 13142873. The next prime is 13142891. The reversal of 13142890 is 9824131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13142891) 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 7 ways as a sum of consecutive naturals, for example, 28342 + ... + 28801.

It is an arithmetic number, because the mean of its divisors is an integer number (1542888).

Almost surely, 2^13142890 is an apocalyptic number.

13142890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13142890 is a deficient number, since it is larger than the sum of its proper divisors (11543318).

13142890 is a wasteful number, since it uses less digits than its factorization.

13142890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57173.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 13142890 is about 3625.3124003319. The cubic root of 13142890 is about 235.9918243840.

The spelling of 13142890 in words is "thirteen million, one hundred forty-two thousand, eight hundred ninety".