13412845 has 4 divisors (see below), whose sum is σ = 16095420. Its totient is φ = 10730272.

The previous prime is 13412843. The next prime is 13412891. The reversal of 13412845 is 54821431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5008644 + 8404201 = 2238^2 + 2899^2 .

It is a cyclic number.

It is not a de Polignac number, because 13412845 - 2¹ = 13412843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13412843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341280 + ... + 1341289.

It is an arithmetic number, because the mean of its divisors is an integer number (4023855).

Almost surely, 2^13412845 is an apocalyptic number.

It is an amenable number.

13412845 is a deficient number, since it is larger than the sum of its proper divisors (2682575).

13412845 is an equidigital number, since it uses as much as digits as its factorization.

13412845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682574.

The product of its digits is 3840, while the sum is 28.

The square root of 13412845 is about 3662.3551165882. The cubic root of 13412845 is about 237.5966439553.

It can be divided in two parts, 1341 and 2845, that added together give a triangular number (4186 = T₉₁).

The spelling of 13412845 in words is "thirteen million, four hundred twelve thousand, eight hundred forty-five".