13672137 has 12 divisors (see below), whose sum is σ = 18883280. Its totient is φ = 8798832.

The previous prime is 13672133. The next prime is 13672157. The reversal of 13672137 is 73127631.

13672137 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13672137 - 2² = 13672133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13672133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187 + ... + 5232.

Almost surely, 2^13672137 is an apocalyptic number.

It is an amenable number.

13672137 is a deficient number, since it is larger than the sum of its proper divisors (5211143).

13672137 is an equidigital number, since it uses as much as digits as its factorization.

13672137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5480 (or 5451 counting only the distinct ones).

The product of its digits is 5292, while the sum is 30.

The square root of 13672137 is about 3697.5852931339. The cubic root of 13672137 is about 239.1179252668.

Adding to 13672137 its reverse (73127631), we get a palindrome (86799768).

The spelling of 13672137 in words is "thirteen million, six hundred seventy-two thousand, one hundred thirty-seven".