13329243 has 6 divisors (see below), whose sum is σ = 19253364. Its totient is φ = 8886156.

The previous prime is 13329229. The next prime is 13329257. The reversal of 13329243 is 34292331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13329229) and next prime (13329257).

It is not a de Polignac number, because 13329243 - 2⁶ = 13329179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13325243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 740505 + ... + 740522.

It is an arithmetic number, because the mean of its divisors is an integer number (3208894).

Almost surely, 2^13329243 is an apocalyptic number.

13329243 is a deficient number, since it is larger than the sum of its proper divisors (5924121).

13329243 is a wasteful number, since it uses less digits than its factorization.

13329243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481033 (or 1481030 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 13329243 is about 3650.9235817804. The cubic root of 13329243 is about 237.1019696873.

The spelling of 13329243 in words is "thirteen million, three hundred twenty-nine thousand, two hundred forty-three".