13923237 has 8 divisors (see below), whose sum is σ = 18582880. Its totient is φ = 9272880.

The previous prime is 13923229. The next prime is 13923241. The reversal of 13923237 is 73232931.

13923237 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13923237 - 2³ = 13923229 is a prime.

It is a super-3 number, since 3×13923237³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13923037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2787 + ... + 5967.

It is an arithmetic number, because the mean of its divisors is an integer number (2322860).

Almost surely, 2^13923237 is an apocalyptic number.

It is an amenable number.

13923237 is a deficient number, since it is larger than the sum of its proper divisors (4659643).

13923237 is a wasteful number, since it uses less digits than its factorization.

13923237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4643.

The product of its digits is 6804, while the sum is 30.

The square root of 13923237 is about 3731.3853995534. The cubic root of 13923237 is about 240.5729194533.

The spelling of 13923237 in words is "thirteen million, nine hundred twenty-three thousand, two hundred thirty-seven".