13672299 has 4 divisors (see below), whose sum is σ = 18229736. Its totient is φ = 9114864.

The previous prime is 13672297. The next prime is 13672303. The reversal of 13672299 is 99227631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99227631 = 3 ⋅33075877.

It is not a de Polignac number, because 13672299 - 2¹ = 13672297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13672297) 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, 2278714 + ... + 2278719.

It is an arithmetic number, because the mean of its divisors is an integer number (4557434).

Almost surely, 2^13672299 is an apocalyptic number.

13672299 is a deficient number, since it is larger than the sum of its proper divisors (4557437).

13672299 is an equidigital number, since it uses as much as digits as its factorization.

13672299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4557436.

The product of its digits is 40824, while the sum is 39.

The square root of 13672299 is about 3697.6071992574. The cubic root of 13672299 is about 239.1188696925.

The spelling of 13672299 in words is "thirteen million, six hundred seventy-two thousand, two hundred ninety-nine".