13620930 has 16 divisors (see below), whose sum is σ = 32690304. Its totient is φ = 3632240.

The previous prime is 13620889. The next prime is 13620931. The reversal of 13620930 is 3902631.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13620930.

It is not an unprimeable number, because it can be changed into a prime (13620931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226986 + ... + 227045.

It is an arithmetic number, because the mean of its divisors is an integer number (2043144).

Almost surely, 2^13620930 is an apocalyptic number.

13620930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13620930 is an abundant number, since it is smaller than the sum of its proper divisors (19069374).

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

13620930 is a wasteful number, since it uses less digits than its factorization.

13620930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454041.

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

The square root of 13620930 is about 3690.6544135153. The cubic root of 13620930 is about 238.8190246593.

The spelling of 13620930 in words is "thirteen million, six hundred twenty thousand, nine hundred thirty".