13551357 has 4 divisors (see below), whose sum is σ = 18068480. Its totient is φ = 9034236.

The previous prime is 13551337. The next prime is 13551359. The reversal of 13551357 is 75315531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75315531 = 3 ⋅25105177.

It is not a de Polignac number, because 13551357 - 2⁸ = 13551101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13551359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2258557 + ... + 2258562.

It is an arithmetic number, because the mean of its divisors is an integer number (4517120).

Almost surely, 2^13551357 is an apocalyptic number.

It is an amenable number.

13551357 is a deficient number, since it is larger than the sum of its proper divisors (4517123).

13551357 is an equidigital number, since it uses as much as digits as its factorization.

13551357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4517122.

The product of its digits is 7875, while the sum is 30.

The square root of 13551357 is about 3681.2167825326. The cubic root of 13551357 is about 238.4117170363.

Adding to 13551357 its reverse (75315531), we get a palindrome (88866888).

The spelling of 13551357 in words is "thirteen million, five hundred fifty-one thousand, three hundred fifty-seven".