13437601 has 4 divisors (see below), whose sum is σ = 13871104. Its totient is φ = 13004100.

The previous prime is 13437577. The next prime is 13437631. The reversal of 13437601 is 10673431.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13437601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13437631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216705 + ... + 216766.

It is an arithmetic number, because the mean of its divisors is an integer number (3467776).

Almost surely, 2^13437601 is an apocalyptic number.

It is an amenable number.

13437601 is a deficient number, since it is larger than the sum of its proper divisors (433503).

13437601 is an equidigital number, since it uses as much as digits as its factorization.

13437601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433502.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 13437601 is about 3665.7333509136. The cubic root of 13437601 is about 237.7427309704.

The spelling of 13437601 in words is "thirteen million, four hundred thirty-seven thousand, six hundred one".