13423730 has 16 divisors (see below), whose sum is σ = 24209280. Its totient is φ = 5359152.

The previous prime is 13423699. The next prime is 13423763. The reversal of 13423730 is 3732431.

It is a happy number.

13423730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13423730² = 360393054225800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13423696 and 13423705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6257 + ... + 8123.

It is an arithmetic number, because the mean of its divisors is an integer number (1513080).

Almost surely, 2^13423730 is an apocalyptic number.

13423730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13423730 is a deficient number, since it is larger than the sum of its proper divisors (10785550).

13423730 is a wasteful number, since it uses less digits than its factorization.

13423730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2593.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 13423730 is about 3663.8408808244. The cubic root of 13423730 is about 237.6608992811.

The spelling of 13423730 in words is "thirteen million, four hundred twenty-three thousand, seven hundred thirty".