13445673 has 8 divisors (see below), whose sum is σ = 18871200. Its totient is φ = 8491968.

The previous prime is 13445659. The next prime is 13445683. The reversal of 13445673 is 37654431.

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

It is not a de Polignac number, because 13445673 - 2⁹ = 13445161 is a prime.

It is a super-2 number, since 2×13445673² = 361572244845858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13445633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117888 + ... + 118001.

It is an arithmetic number, because the mean of its divisors is an integer number (2358900).

Almost surely, 2^13445673 is an apocalyptic number.

It is an amenable number.

13445673 is a deficient number, since it is larger than the sum of its proper divisors (5425527).

13445673 is a wasteful number, since it uses less digits than its factorization.

13445673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235911.

The product of its digits is 30240, while the sum is 33.

The square root of 13445673 is about 3666.8341931426. The cubic root of 13445673 is about 237.7903256561.

The spelling of 13445673 in words is "thirteen million, four hundred forty-five thousand, six hundred seventy-three".