13000554 has 64 divisors (see below), whose sum is σ = 33377280. Its totient is φ = 3674160.

The previous prime is 13000553. The next prime is 13000583. The reversal of 13000554 is 45500031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13000553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61509 + ... + 61719.

It is an arithmetic number, because the mean of its divisors is an integer number (521520).

Almost surely, 2^13000554 is an apocalyptic number.

13000554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13000554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16688640).

13000554 is an abundant number, since it is smaller than the sum of its proper divisors (20376726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13000554 is a wasteful number, since it uses less digits than its factorization.

13000554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 13000554 is about 3605.6281006227. The cubic root of 13000554 is about 235.1368088257.

Adding to 13000554 its reverse (45500031), we get a palindrome (58500585).

The spelling of 13000554 in words is "thirteen million, five hundred fifty-four", and thus it is an aban number.