13430554 has 4 divisors (see below), whose sum is σ = 20145834. Its totient is φ = 6715276.

The previous prime is 13430539. The next prime is 13430581. The reversal of 13430554 is 45503431.

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., 12766329 + 664225 = 3573^2 + 815^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3357637 + ... + 3357640.

Almost surely, 2^13430554 is an apocalyptic number.

13430554 is a deficient number, since it is larger than the sum of its proper divisors (6715280).

13430554 is an equidigital number, since it uses as much as digits as its factorization.

13430554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6715279.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 13430554 is about 3664.7720256518. The cubic root of 13430554 is about 237.7011643748.

Adding to 13430554 its reverse (45503431), we get a palindrome (58933985).

The spelling of 13430554 in words is "thirteen million, four hundred thirty thousand, five hundred fifty-four".