13081498 has 8 divisors (see below), whose sum is σ = 20152692. Its totient is φ = 6363936.

The previous prime is 13081493. The next prime is 13081507. The reversal of 13081498 is 89418031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10349089 + 2732409 = 3217^2 + 1653^2 .

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

It is a super-2 number, since 2×13081498² = 342251179848008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13081493) 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, 88315 + ... + 88462.

Almost surely, 2^13081498 is an apocalyptic number.

13081498 is a deficient number, since it is larger than the sum of its proper divisors (7071194).

13081498 is a wasteful number, since it uses less digits than its factorization.

13081498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176816.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 13081498 is about 3616.8353570490. The cubic root of 13081498 is about 235.6238021502.

The spelling of 13081498 in words is "thirteen million, eighty-one thousand, four hundred ninety-eight".