13193870 has 16 divisors (see below), whose sum is σ = 25146288. Its totient is φ = 4967040.

The previous prime is 13193863. The next prime is 13193893. The reversal of 13193870 is 7839131.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 38636 + ... + 38975.

It is an arithmetic number, because the mean of its divisors is an integer number (1571643).

Almost surely, 2^13193870 is an apocalyptic number.

13193870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13193870 is a deficient number, since it is larger than the sum of its proper divisors (11952418).

13193870 is a wasteful number, since it uses less digits than its factorization.

13193870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77635.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 13193870 is about 3632.3367134670. The cubic root of 13193870 is about 236.2965605347.

The spelling of 13193870 in words is "thirteen million, one hundred ninety-three thousand, eight hundred seventy".