13874551 has 4 divisors (see below), whose sum is σ = 13888600. Its totient is φ = 13860504.

The previous prime is 13874537. The next prime is 13874569. The reversal of 13874551 is 15547831.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13874551 - 2¹¹ = 13872503 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 (13874521) 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, 5421 + ... + 7558.

It is an arithmetic number, because the mean of its divisors is an integer number (3472150).

Almost surely, 2^13874551 is an apocalyptic number.

13874551 is a deficient number, since it is larger than the sum of its proper divisors (14049).

13874551 is a wasteful number, since it uses less digits than its factorization.

13874551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14048.

The product of its digits is 16800, while the sum is 34.

The square root of 13874551 is about 3724.8558361365. The cubic root of 13874551 is about 240.2921846488.

The spelling of 13874551 in words is "thirteen million, eight hundred seventy-four thousand, five hundred fifty-one".