13024399 has 8 divisors (see below), whose sum is σ = 13376000. Its totient is φ = 12675096.

The previous prime is 13024391. The next prime is 13024409. The reversal of 13024399 is 99342031.

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 13024399 - 2³ = 13024391 is a prime.

It is a super-2 number, since 2×13024399² = 339269938622402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13024399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13024391) 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, 21154 + ... + 21760.

It is an arithmetic number, because the mean of its divisors is an integer number (1672000).

Almost surely, 2^13024399 is an apocalyptic number.

13024399 is a deficient number, since it is larger than the sum of its proper divisors (351601).

13024399 is an equidigital number, since it uses as much as digits as its factorization.

13024399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 13024399 is about 3608.9332218815. The cubic root of 13024399 is about 235.2804799534.

The spelling of 13024399 in words is "thirteen million, twenty-four thousand, three hundred ninety-nine".