13405070 has 32 divisors (see below), whose sum is σ = 29030400. Its totient is φ = 4353696.

The previous prime is 13405069. The next prime is 13405079. The reversal of 13405070 is 7050431.

It is a happy number.

13405070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13405079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3710 + ... + 6369.

It is an arithmetic number, because the mean of its divisors is an integer number (907200).

Almost surely, 2^13405070 is an apocalyptic number.

13405070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13405070 is an abundant number, since it is smaller than the sum of its proper divisors (15625330).

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

13405070 is a wasteful number, since it uses less digits than its factorization.

13405070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10112.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 13405070 is about 3661.2934872801. The cubic root of 13405070 is about 237.5507260071.

The spelling of 13405070 in words is "thirteen million, four hundred five thousand, seventy".