13213541 has 8 divisors (see below), whose sum is σ = 14503104. Its totient is φ = 11938720.

The previous prime is 13213507. The next prime is 13213547. The reversal of 13213541 is 14531231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13213541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1760 + ... + 5433.

It is an arithmetic number, because the mean of its divisors is an integer number (1812888).

Almost surely, 2^13213541 is an apocalyptic number.

13213541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13213541 is a deficient number, since it is larger than the sum of its proper divisors (1289563).

13213541 is a wasteful number, since it uses less digits than its factorization.

13213541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7371.

The product of its digits is 360, while the sum is 20.

The square root of 13213541 is about 3635.0434660400. The cubic root of 13213541 is about 236.4139352835.

Adding to 13213541 its reverse (14531231), we get a palindrome (27744772).

The spelling of 13213541 in words is "thirteen million, two hundred thirteen thousand, five hundred forty-one".