13930620 has 48 divisors (see below), whose sum is σ = 42553728. Its totient is φ = 3376960.

The previous prime is 13930603. The next prime is 13930621. The reversal of 13930620 is 2603931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13930621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9894 + ... + 11213.

It is an arithmetic number, because the mean of its divisors is an integer number (886536).

Almost surely, 2^13930620 is an apocalyptic number.

13930620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13930620 is an abundant number, since it is smaller than the sum of its proper divisors (28623108).

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

13930620 is a wasteful number, since it uses less digits than its factorization.

13930620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21130 (or 21128 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 13930620 is about 3732.3745792726. The cubic root of 13930620 is about 240.6154343755.

The spelling of 13930620 in words is "thirteen million, nine hundred thirty thousand, six hundred twenty".