13416645 has 64 divisors (see below), whose sum is σ = 25141248. Its totient is φ = 6048000.

The previous prime is 13416643. The next prime is 13416671. The reversal of 13416645 is 54661431.

13416645 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 13416645 - 2¹ = 13416643 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13416643) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 219915 + ... + 219975.

It is an arithmetic number, because the mean of its divisors is an integer number (392832).

Almost surely, 2^13416645 is an apocalyptic number.

13416645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13416645 is a deficient number, since it is larger than the sum of its proper divisors (11724603).

13416645 is a wasteful number, since it uses less digits than its factorization.

13416645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154.

The product of its digits is 8640, while the sum is 30.

The square root of 13416645 is about 3662.8738717024. The cubic root of 13416645 is about 237.6190797124.

The spelling of 13416645 in words is "thirteen million, four hundred sixteen thousand, six hundred forty-five".