13913424 has 160 divisors (see below), whose sum is σ = 47139840. Its totient is φ = 3846528.

The previous prime is 13913423. The next prime is 13913437. The reversal of 13913424 is 42431931.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

Its product of digits (2592) is a multiple of the sum of its prime divisors (162).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13913423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129979 + ... + 130085.

It is an arithmetic number, because the mean of its divisors is an integer number (294624).

Almost surely, 2^13913424 is an apocalyptic number.

13913424 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 13913424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23569920).

13913424 is an abundant number, since it is smaller than the sum of its proper divisors (33226416).

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

13913424 is a wasteful number, since it uses less digits than its factorization.

13913424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 162 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 13913424 is about 3730.0702406255. The cubic root of 13913424 is about 240.5163881335.

The spelling of 13913424 in words is "thirteen million, nine hundred thirteen thousand, four hundred twenty-four".