13319645 has 8 divisors (see below), whose sum is σ = 16678656. Its totient is φ = 10192336.

The previous prime is 13319641. The next prime is 13319689. The reversal of 13319645 is 54691331.

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 13319645 - 2² = 13319641 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13319641) 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, 57797 + ... + 58026.

It is an arithmetic number, because the mean of its divisors is an integer number (2084832).

Almost surely, 2^13319645 is an apocalyptic number.

It is an amenable number.

13319645 is a deficient number, since it is larger than the sum of its proper divisors (3359011).

13319645 is a wasteful number, since it uses less digits than its factorization.

13319645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115851.

The product of its digits is 9720, while the sum is 32.

The square root of 13319645 is about 3649.6088831545. The cubic root of 13319645 is about 237.0450459458.

The spelling of 13319645 in words is "thirteen million, three hundred nineteen thousand, six hundred forty-five".