13732620 has 48 divisors (see below), whose sum is σ = 41948928. Its totient is φ = 3328960.

The previous prime is 13732619. The next prime is 13732639. The reversal of 13732620 is 2623731.

It is a super-3 number, since 3×13732620³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9744 + ... + 11063.

It is an arithmetic number, because the mean of its divisors is an integer number (873936).

Almost surely, 2^13732620 is an apocalyptic number.

13732620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13732620 is an abundant number, since it is smaller than the sum of its proper divisors (28216308).

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

13732620 is a wasteful number, since it uses less digits than its factorization.

13732620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20830 (or 20828 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 13732620 is about 3705.7549838056. The cubic root of 13732620 is about 239.4700110492.

Subtracting from 13732620 its reverse (2623731), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 1373 and 2620, that added together give a palindrome (3993).

The spelling of 13732620 in words is "thirteen million, seven hundred thirty-two thousand, six hundred twenty".