13407860 has 24 divisors (see below), whose sum is σ = 29128680. Its totient is φ = 5177984.

The previous prime is 13407859. The next prime is 13407869. The reversal of 13407860 is 6870431.

13407860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 26896 + 13380964 = 164^2 + 3658^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13407869) 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, 10979 + ... + 12138.

It is an arithmetic number, because the mean of its divisors is an integer number (1213695).

Almost surely, 2^13407860 is an apocalyptic number.

13407860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13407860 is an abundant number, since it is smaller than the sum of its proper divisors (15720820).

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

13407860 is a wasteful number, since it uses less digits than its factorization.

13407860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23155 (or 23153 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 13407860 is about 3661.6744803437. The cubic root of 13407860 is about 237.5672053578.

The spelling of 13407860 in words is "thirteen million, four hundred seven thousand, eight hundred sixty".