13130554 has 4 divisors (see below), whose sum is σ = 19695834. Its totient is φ = 6565276.

The previous prime is 13130549. The next prime is 13130561. The reversal of 13130554 is 45503131.

It is a happy number.

13130554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 10712529 + 2418025 = 3273^2 + 1555^2 .

It is a super-2 number, since 2×13130554² = 344822896693832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3282637 + ... + 3282640.

Almost surely, 2^13130554 is an apocalyptic number.

13130554 is a deficient number, since it is larger than the sum of its proper divisors (6565280).

13130554 is an equidigital number, since it uses as much as digits as its factorization.

13130554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6565279.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 13130554 is about 3623.6106302968. The cubic root of 13130554 is about 235.9179667966.

Adding to 13130554 its reverse (45503131), we get a palindrome (58633685).

The spelling of 13130554 in words is "thirteen million, one hundred thirty thousand, five hundred fifty-four".