13797432 has 64 divisors (see below), whose sum is σ = 41817600. Its totient is φ = 4180320.

The previous prime is 13797431. The next prime is 13797451. The reversal of 13797432 is 23479731.

13797432 is a `hidden beast` number, since 137 + 97 + 432 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13797431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528 + ... + 5279.

It is an arithmetic number, because the mean of its divisors is an integer number (653400).

Almost surely, 2^13797432 is an apocalyptic number.

13797432 is a gapful number since it is divisible by the number (12) 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 13797432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20908800).

13797432 is an abundant number, since it is smaller than the sum of its proper divisors (28020168).

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

13797432 is a wasteful number, since it uses less digits than its factorization.

13797432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5833 (or 5823 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 13797432 is about 3714.4894669389. The cubic root of 13797432 is about 239.8461513986.

The spelling of 13797432 in words is "thirteen million, seven hundred ninety-seven thousand, four hundred thirty-two".