13601137 has 4 divisors (see below), whose sum is σ = 14837616. Its totient is φ = 12364660.

The previous prime is 13601123. The next prime is 13601143. The reversal of 13601137 is 73110631.

13601137 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13601137 - 2⁷ = 13601009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13601117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618223 + ... + 618244.

It is an arithmetic number, because the mean of its divisors is an integer number (3709404).

Almost surely, 2^13601137 is an apocalyptic number.

It is an amenable number.

13601137 is a deficient number, since it is larger than the sum of its proper divisors (1236479).

13601137 is a wasteful number, since it uses less digits than its factorization.

13601137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236478.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 13601137 is about 3687.9719359019. The cubic root of 13601137 is about 238.7032901138.

Adding to 13601137 its reverse (73110631), we get a palindrome (86711768).

The spelling of 13601137 in words is "thirteen million, six hundred one thousand, one hundred thirty-seven".