13302121 has 4 divisors (see below), whose sum is σ = 15202432. Its totient is φ = 11401812.

The previous prime is 13302103. The next prime is 13302127. The reversal of 13302121 is 12120331.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12120331 = 677 ⋅17903.

It is a cyclic number.

It is not a de Polignac number, because 13302121 - 2⁵ = 13302089 is a prime.

13302121 is a modest number, since divided by 2121 gives 1330 as remainder.

It is not an unprimeable number, because it can be changed into a prime (13302127) 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, 950145 + ... + 950158.

It is an arithmetic number, because the mean of its divisors is an integer number (3800608).

Almost surely, 2^13302121 is an apocalyptic number.

It is an amenable number.

13302121 is a deficient number, since it is larger than the sum of its proper divisors (1900311).

13302121 is an equidigital number, since it uses as much as digits as its factorization.

13302121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900310.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 13302121 is about 3647.2072877751. The cubic root of 13302121 is about 236.9410441638.

Adding to 13302121 its reverse (12120331), we get a palindrome (25422452).

The spelling of 13302121 in words is "thirteen million, three hundred two thousand, one hundred twenty-one".