13551488 has 16 divisors (see below), whose sum is σ = 26997360. Its totient is φ = 6775680.

The previous prime is 13551481. The next prime is 13551511. The reversal of 13551488 is 88415531.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13551481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52808 + ... + 53063.

It is an arithmetic number, because the mean of its divisors is an integer number (1687335).

Almost surely, 2^13551488 is an apocalyptic number.

It is an amenable number.

13551488 is a deficient number, since it is larger than the sum of its proper divisors (13445872).

13551488 is an equidigital number, since it uses as much as digits as its factorization.

13551488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105885 (or 105873 counting only the distinct ones).

The product of its digits is 19200, while the sum is 35.

The square root of 13551488 is about 3681.2345755195. The cubic root of 13551488 is about 238.4124852702.

The spelling of 13551488 in words is "thirteen million, five hundred fifty-one thousand, four hundred eighty-eight".