13405650 has 24 divisors (see below), whose sum is σ = 33246384. Its totient is φ = 3574800.

The previous prime is 13405633. The next prime is 13405657. The reversal of 13405650 is 5650431.

13405650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13405650² = 359422903845000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13405650.

It is not an unprimeable number, because it can be changed into a prime (13405657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44536 + ... + 44835.

It is an arithmetic number, because the mean of its divisors is an integer number (1385266).

Almost surely, 2^13405650 is an apocalyptic number.

13405650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13405650 is an abundant number, since it is smaller than the sum of its proper divisors (19840734).

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

13405650 is a wasteful number, since it uses less digits than its factorization.

13405650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89386 (or 89381 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 13405650 is about 3661.3726934034. The cubic root of 13405650 is about 237.5541520102.

The spelling of 13405650 in words is "thirteen million, four hundred five thousand, six hundred fifty".