13380551 has 4 divisors (see below), whose sum is σ = 13607400. Its totient is φ = 13153704.

The previous prime is 13380529. The next prime is 13380583. The reversal of 13380551 is 15508331.

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

It is a cyclic number.

It is not a de Polignac number, because 13380551 - 2⁶ = 13380487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13380551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13380511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113336 + ... + 113453.

It is an arithmetic number, because the mean of its divisors is an integer number (3401850).

Almost surely, 2^13380551 is an apocalyptic number.

13380551 is a deficient number, since it is larger than the sum of its proper divisors (226849).

13380551 is an equidigital number, since it uses as much as digits as its factorization.

13380551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226848.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 13380551 is about 3657.9435479515. The cubic root of 13380551 is about 237.4058041968.

Adding to 13380551 its reverse (15508331), we get a palindrome (28888882).

It can be divided in two parts, 13380 and 551, that added together give a palindrome (13931).

The spelling of 13380551 in words is "thirteen million, three hundred eighty thousand, five hundred fifty-one".