13349561 has 8 divisors (see below), whose sum is σ = 13832448. Its totient is φ = 12870000.

The previous prime is 13349527. The next prime is 13349569. The reversal of 13349561 is 16594331.

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 13349561 - 2²² = 9155257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13349569) 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, 9611 + ... + 10911.

It is an arithmetic number, because the mean of its divisors is an integer number (1729056).

Almost surely, 2^13349561 is an apocalyptic number.

It is an amenable number.

13349561 is a deficient number, since it is larger than the sum of its proper divisors (482887).

13349561 is a wasteful number, since it uses less digits than its factorization.

13349561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663.

The product of its digits is 9720, while the sum is 32.

The square root of 13349561 is about 3653.7051057796. The cubic root of 13349561 is about 237.2223814296. Note that the first 3 decimals are identical.

It can be divided in two parts, 133 and 49561, that added together give a palindrome (49694).

The spelling of 13349561 in words is "thirteen million, three hundred forty-nine thousand, five hundred sixty-one".