13291930 has 16 divisors (see below), whose sum is σ = 24966144. Its totient is φ = 5085520.

The previous prime is 13291921. The next prime is 13291931. The reversal of 13291930 is 3919231.

13291930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13291931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28666 + ... + 29125.

It is an arithmetic number, because the mean of its divisors is an integer number (1560384).

Almost surely, 2^13291930 is an apocalyptic number.

13291930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13291930 is a deficient number, since it is larger than the sum of its proper divisors (11674214).

13291930 is a wasteful number, since it uses less digits than its factorization.

13291930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57821.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 13291930 is about 3645.8099237344. The cubic root of 13291930 is about 236.8805204052.

The spelling of 13291930 in words is "thirteen million, two hundred ninety-one thousand, nine hundred thirty".