13661151 has 24 divisors (see below), whose sum is σ = 21340800. Its totient is φ = 7750512.

The previous prime is 13661083. The next prime is 13661191. The reversal of 13661151 is 15116631.

13661151 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13661151 - 2¹⁵ = 13628383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13661191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29020 + ... + 29486.

It is an arithmetic number, because the mean of its divisors is an integer number (889200).

Almost surely, 2^13661151 is an apocalyptic number.

13661151 is a deficient number, since it is larger than the sum of its proper divisors (7679649).

13661151 is a wasteful number, since it uses less digits than its factorization.

13661151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683 (or 676 counting only the distinct ones).

The product of its digits is 540, while the sum is 24.

The square root of 13661151 is about 3696.0994304807. The cubic root of 13661151 is about 239.0538618007.

Adding to 13661151 its reverse (15116631), we get a palindrome (28777782).

The spelling of 13661151 in words is "thirteen million, six hundred sixty-one thousand, one hundred fifty-one".