13045551 has 8 divisors (see below), whose sum is σ = 17521584. Its totient is φ = 8633280.

The previous prime is 13045541. The next prime is 13045553. The reversal of 13045551 is 15554031.

13045551 is digitally balanced in base 3, because in such base 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 13045551 - 2⁵ = 13045519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13045553) 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, 15460 + ... + 16281.

It is an arithmetic number, because the mean of its divisors is an integer number (2190198).

Almost surely, 2^13045551 is an apocalyptic number.

13045551 is a deficient number, since it is larger than the sum of its proper divisors (4476033).

13045551 is a wasteful number, since it uses less digits than its factorization.

13045551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31881.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 13045551 is about 3611.8625389126. The cubic root of 13045551 is about 235.4077784968.

Adding to 13045551 its reverse (15554031), we get a palindrome (28599582).

The spelling of 13045551 in words is "thirteen million, forty-five thousand, five hundred fifty-one".