13673501 has 2 divisors, whose sum is σ = 13673502. Its totient is φ = 13673500.

The previous prime is 13673497. The next prime is 13673507. The reversal of 13673501 is 10537631.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13147876 + 525625 = 3626^2 + 725^2 .

It is a cyclic number.

It is not a de Polignac number, because 13673501 - 2² = 13673497 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13673507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6836750 + 6836751.

It is an arithmetic number, because the mean of its divisors is an integer number (6836751).

Almost surely, 2^13673501 is an apocalyptic number.

It is an amenable number.

13673501 is a deficient number, since it is larger than the sum of its proper divisors (1).

13673501 is an equidigital number, since it uses as much as digits as its factorization.

13673501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 13673501 is about 3697.7697332311. The cubic root of 13673501 is about 239.1258768646.

It can be divided in two parts, 136 and 73501, that added together give a palindrome (73637).

The spelling of 13673501 in words is "thirteen million, six hundred seventy-three thousand, five hundred one".