13491845 has 8 divisors (see below), whose sum is σ = 16318464. Its totient is φ = 10707984.

The previous prime is 13491833. The next prime is 13491853. The reversal of 13491845 is 54819431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13491845 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9989 + ... + 11258.

It is an arithmetic number, because the mean of its divisors is an integer number (2039808).

Almost surely, 2^13491845 is an apocalyptic number.

It is an amenable number.

13491845 is a deficient number, since it is larger than the sum of its proper divisors (2826619).

13491845 is a wasteful number, since it uses less digits than its factorization.

13491845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21379.

The product of its digits is 17280, while the sum is 35.

The square root of 13491845 is about 3673.1246915943. The cubic root of 13491845 is about 238.0622027468.

The spelling of 13491845 in words is "thirteen million, four hundred ninety-one thousand, eight hundred forty-five".