13406145 has 8 divisors (see below), whose sum is σ = 21449856. Its totient is φ = 7149936.

The previous prime is 13406131. The next prime is 13406179. The reversal of 13406145 is 54160431.

13406145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13406145 - 2⁷ = 13406017 is a prime.

It is a super-2 number, since 2×13406145² = 359449447522050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446857 + ... + 446886.

It is an arithmetic number, because the mean of its divisors is an integer number (2681232).

Almost surely, 2^13406145 is an apocalyptic number.

13406145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13406145 is a deficient number, since it is larger than the sum of its proper divisors (8043711).

13406145 is an equidigital number, since it uses as much as digits as its factorization.

13406145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893751.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 13406145 is about 3661.4402903775. The cubic root of 13406145 is about 237.5570758485.

Adding to 13406145 its reverse (54160431), we get a palindrome (67566576).

The spelling of 13406145 in words is "thirteen million, four hundred six thousand, one hundred forty-five".