13452405 has 16 divisors (see below), whose sum is σ = 21606720. Its totient is φ = 7147008.

The previous prime is 13452403. The next prime is 13452409. The reversal of 13452405 is 50425431.

13452405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13452405 - 2¹ = 13452403 is a prime.

It is a super-3 number, since 3×13452405³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13452403) 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, 2661 + ... + 5829.

It is an arithmetic number, because the mean of its divisors is an integer number (1350420).

Almost surely, 2^13452405 is an apocalyptic number.

13452405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13452405 is a deficient number, since it is larger than the sum of its proper divisors (8154315).

13452405 is a wasteful number, since it uses less digits than its factorization.

13452405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3460.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 13452405 is about 3667.7520363296. The cubic root of 13452405 is about 237.8300047753.

Adding to 13452405 its reverse (50425431), we get a palindrome (63877836).

The spelling of 13452405 in words is "thirteen million, four hundred fifty-two thousand, four hundred five".