13299121 has 8 divisors (see below), whose sum is σ = 14566464. Its totient is φ = 12041520.

The previous prime is 13299113. The next prime is 13299127. The reversal of 13299121 is 12199231.

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

It is a cyclic number.

It is not a de Polignac number, because 13299121 - 2³ = 13299113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13299121.

It is not an unprimeable number, because it can be changed into a prime (13299127) 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, 595 + ... + 5191.

It is an arithmetic number, because the mean of its divisors is an integer number (1820808).

Almost surely, 2^13299121 is an apocalyptic number.

13299121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13299121 is a deficient number, since it is larger than the sum of its proper divisors (1267343).

13299121 is a wasteful number, since it uses less digits than its factorization.

13299121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4871.

The product of its digits is 972, while the sum is 28.

The square root of 13299121 is about 3646.7959910036. The cubic root of 13299121 is about 236.9232305491.

The spelling of 13299121 in words is "thirteen million, two hundred ninety-nine thousand, one hundred twenty-one".