13552491 has 8 divisors (see below), whose sum is σ = 19021120. Its totient is φ = 8559432.

The previous prime is 13552463. The next prime is 13552501. The reversal of 13552491 is 19425531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13552491 - 2¹⁰ = 13551467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13552421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118825 + ... + 118938.

It is an arithmetic number, because the mean of its divisors is an integer number (2377640).

Almost surely, 2^13552491 is an apocalyptic number.

13552491 is a deficient number, since it is larger than the sum of its proper divisors (5468629).

13552491 is a wasteful number, since it uses less digits than its factorization.

13552491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237785.

The product of its digits is 5400, while the sum is 30.

The square root of 13552491 is about 3681.3708044694. The cubic root of 13552491 is about 238.4183670799.

The spelling of 13552491 in words is "thirteen million, five hundred fifty-two thousand, four hundred ninety-one".