13431298 has 4 divisors (see below), whose sum is σ = 20146950. Its totient is φ = 6715648.

The previous prime is 13431251. The next prime is 13431323. The reversal of 13431298 is 89213431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11068929 + 2362369 = 3327^2 + 1537^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3357823 + ... + 3357826.

Almost surely, 2^13431298 is an apocalyptic number.

13431298 is a deficient number, since it is larger than the sum of its proper divisors (6715652).

13431298 is an equidigital number, since it uses as much as digits as its factorization.

13431298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6715651.

The product of its digits is 5184, while the sum is 31.

The square root of 13431298 is about 3664.8735312422. The cubic root of 13431298 is about 237.7055535311.

The spelling of 13431298 in words is "thirteen million, four hundred thirty-one thousand, two hundred ninety-eight".