13061551 has 8 divisors (see below), whose sum is σ = 13519440. Its totient is φ = 12610752.

The previous prime is 13061527. The next prime is 13061561. The reversal of 13061551 is 15516031.

13061551 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 a cyclic number.

It is not a de Polignac number, because 13061551 - 2⁹ = 13061039 is a prime.

It is a super-2 number, since 2×13061551² = 341208229051202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13061561) 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, 2121 + ... + 5533.

It is an arithmetic number, because the mean of its divisors is an integer number (1689930).

Almost surely, 2^13061551 is an apocalyptic number.

13061551 is a deficient number, since it is larger than the sum of its proper divisors (457889).

13061551 is an equidigital number, since it uses as much as digits as its factorization.

13061551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3545.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 13061551 is about 3614.0767839104. The cubic root of 13061551 is about 235.5039795097.

Adding to 13061551 its reverse (15516031), we get a palindrome (28577582).

The spelling of 13061551 in words is "thirteen million, sixty-one thousand, five hundred fifty-one".