13199424 has 168 divisors, whose sum is σ = 43086528. Its totient is φ = 3548160.

The previous prime is 13199423. The next prime is 13199443. The reversal of 13199424 is 42499131.

It is a tau number, because it is divible by the number of its divisors (168).

Its product of digits (7776) is a multiple of the sum of its prime divisors (96).

It is not an unprimeable number, because it can be changed into a prime (13199423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216354 + ... + 216414.

Almost surely, 2^13199424 is an apocalyptic number.

13199424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13199424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21543264).

13199424 is an abundant number, since it is smaller than the sum of its proper divisors (29887104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13199424 is a wasteful number, since it uses less digits than its factorization.

13199424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 96 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 13199424 is about 3633.1011546611. The cubic root of 13199424 is about 236.3297124704.

The spelling of 13199424 in words is "thirteen million, one hundred ninety-nine thousand, four hundred twenty-four".