13554749 has 8 divisors (see below), whose sum is σ = 14837592. Its totient is φ = 12306240.

The previous prime is 13554743. The next prime is 13554773. The reversal of 13554749 is 94745531.

It can be written as a sum of positive squares in 4 ways, for example, as 85849 + 13468900 = 293^2 + 3670^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13554749 - 2⁸ = 13554493 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 (13554743) 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, 7754 + ... + 9339.

It is an arithmetic number, because the mean of its divisors is an integer number (1854699).

Almost surely, 2^13554749 is an apocalyptic number.

It is an amenable number.

13554749 is a deficient number, since it is larger than the sum of its proper divisors (1282843).

13554749 is a wasteful number, since it uses less digits than its factorization.

13554749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17167.

The product of its digits is 75600, while the sum is 38.

The square root of 13554749 is about 3681.6774709363. The cubic root of 13554749 is about 238.4316074202.

The spelling of 13554749 in words is "thirteen million, five hundred fifty-four thousand, seven hundred forty-nine".