13738551 has 8 divisors (see below), whose sum is σ = 18591744. Its totient is φ = 9022200.

The previous prime is 13738541. The next prime is 13738559. The reversal of 13738551 is 15583731.

13738551 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13738551 - 2⁷ = 13738423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13738559) 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, 33975 + ... + 34376.

It is an arithmetic number, because the mean of its divisors is an integer number (2323968).

Almost surely, 2^13738551 is an apocalyptic number.

13738551 is a deficient number, since it is larger than the sum of its proper divisors (4853193).

13738551 is an equidigital number, since it uses as much as digits as its factorization.

13738551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68421.

The product of its digits is 12600, while the sum is 33.

The square root of 13738551 is about 3706.5551392095. Note that the first 3 decimals coincide. The cubic root of 13738551 is about 239.5044810972.

The spelling of 13738551 in words is "thirteen million, seven hundred thirty-eight thousand, five hundred fifty-one".