13491898 has 8 divisors (see below), whose sum is σ = 23128992. Its totient is φ = 5782236.

The previous prime is 13491893. The next prime is 13491937. The reversal of 13491898 is 89819431.

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

It is not an unprimeable number, because it can be changed into a prime (13491893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481840 + ... + 481867.

It is an arithmetic number, because the mean of its divisors is an integer number (2891124).

Almost surely, 2^13491898 is an apocalyptic number.

13491898 is a deficient number, since it is larger than the sum of its proper divisors (9637094).

13491898 is an equidigital number, since it uses as much as digits as its factorization.

13491898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963716.

The product of its digits is 62208, while the sum is 43.

The square root of 13491898 is about 3673.1319061531. The cubic root of 13491898 is about 238.0625144729.

The spelling of 13491898 in words is "thirteen million, four hundred ninety-one thousand, eight hundred ninety-eight".