13169641 has 9 divisors (see below), whose sum is σ = 13972413. Its totient is φ = 12411180.

The previous prime is 13169609. The next prime is 13169657. The reversal of 13169641 is 14696131.

The square root of 13169641 is 3629.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 13169641 - 2⁵ = 13169609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13169671) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 68856 + ... + 69046.

Almost surely, 2^13169641 is an apocalyptic number.

13169641 is the 3629-th square number.

13169641 is the 1815-th centered octagonal number.

It is an amenable number.

13169641 is a deficient number, since it is larger than the sum of its proper divisors (802772).

13169641 is an frugal number, since it uses more digits than its factorization.

13169641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 210 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The cubic root of 13169641 is about 236.1518282331.

The spelling of 13169641 in words is "thirteen million, one hundred sixty-nine thousand, six hundred forty-one".