13400620 has 12 divisors (see below), whose sum is σ = 28141344. Its totient is φ = 5360240.

The previous prime is 13400591. The next prime is 13400633. The reversal of 13400620 is 2600431.

13400620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13400594 and 13400603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334996 + ... + 335035.

It is an arithmetic number, because the mean of its divisors is an integer number (2345112).

Almost surely, 2^13400620 is an apocalyptic number.

13400620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13400620 is an abundant number, since it is smaller than the sum of its proper divisors (14740724).

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

13400620 is a wasteful number, since it uses less digits than its factorization.

13400620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670040 (or 670038 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13400620 is about 3660.6857281116. The cubic root of 13400620 is about 237.5244370054.

The spelling of 13400620 in words is "thirteen million, four hundred thousand, six hundred twenty".