13740032 has 24 divisors (see below), whose sum is σ = 27477450. Its totient is φ = 6868992.

The previous prime is 13740019. The next prime is 13740047. The reversal of 13740032 is 23004731.

It can be written as a sum of positive squares in only one way, i.e., 10863616 + 2876416 = 3296^2 + 1696^2 .

It is a super-2 number, since 2×13740032² = 377576958722048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13739986 and 13740013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1307 + ... + 5402.

Almost surely, 2^13740032 is an apocalyptic number.

It is an amenable number.

13740032 is a deficient number, since it is larger than the sum of its proper divisors (13737418).

13740032 is an frugal number, since it uses more digits than its factorization.

13740032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6731 (or 6711 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 13740032 is about 3706.7549150166. The cubic root of 13740032 is about 239.5130868906.

Adding to 13740032 its reverse (23004731), we get a palindrome (36744763).

The spelling of 13740032 in words is "thirteen million, seven hundred forty thousand, thirty-two".