13146645 has 8 divisors (see below), whose sum is σ = 21034656. Its totient is φ = 7011536.

The previous prime is 13146631. The next prime is 13146647. The reversal of 13146645 is 54664131.

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

It is a cyclic number.

It is not a de Polignac number, because 13146645 - 2¹¹ = 13144597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13146647) 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, 438207 + ... + 438236.

It is an arithmetic number, because the mean of its divisors is an integer number (2629332).

Almost surely, 2^13146645 is an apocalyptic number.

13146645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13146645 is a deficient number, since it is larger than the sum of its proper divisors (7888011).

13146645 is an equidigital number, since it uses as much as digits as its factorization.

13146645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876451.

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

The square root of 13146645 is about 3625.8302497497. The cubic root of 13146645 is about 236.0142969889.

The spelling of 13146645 in words is "thirteen million, one hundred forty-six thousand, six hundred forty-five".