13423536 has 160 divisors (see below), whose sum is σ = 46187520. Its totient is φ = 3649536.

The previous prime is 13423511. The next prime is 13423537. The reversal of 13423536 is 63532431.

It is a happy number.

13423536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

Its product of digits (6480) is a multiple of the sum of its prime factors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423537) 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, 69456 + ... + 69648.

It is an arithmetic number, because the mean of its divisors is an integer number (288672).

Almost surely, 2^13423536 is an apocalyptic number.

13423536 is a gapful number since it is divisible by the number (16) 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 13423536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23093760).

13423536 is an abundant number, since it is smaller than the sum of its proper divisors (32763984).

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

13423536 is a wasteful number, since it uses less digits than its factorization.

13423536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 228 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 13423536 is about 3663.8144057799. The cubic root of 13423536 is about 237.6597543823.

Adding to 13423536 its reverse (63532431), we get a palindrome (76955967).

The spelling of 13423536 in words is "thirteen million, four hundred twenty-three thousand, five hundred thirty-six".