13554469 has 6 divisors (see below), whose sum is σ = 13932114. Its totient is φ = 13186800.

The previous prime is 13554461. The next prime is 13554479. The reversal of 13554469 is 96445531.

It can be written as a sum of positive squares in 3 ways, for example, as 11189025 + 2365444 = 3345^2 + 1538^2 .

It is not a de Polignac number, because 13554469 - 2³ = 13554461 is a prime.

It is a super-2 number, since 2×13554469² = 367447259743922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13554461) 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 5 ways as a sum of consecutive naturals, for example, 3582 + ... + 6319.

It is an arithmetic number, because the mean of its divisors is an integer number (2322019).

Almost surely, 2^13554469 is an apocalyptic number.

It is an amenable number.

13554469 is a deficient number, since it is larger than the sum of its proper divisors (377645).

13554469 is an frugal number, since it uses more digits than its factorization.

13554469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9975 (or 9938 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 13554469 is about 3681.6394445953. The cubic root of 13554469 is about 238.4299656510.

The spelling of 13554469 in words is "thirteen million, five hundred fifty-four thousand, four hundred sixty-nine".